47197777711392 has 864 divisors, whose sum is σ = 183494950539264. Its totient is φ = 11165794099200.

The previous prime is 47197777711391. The next prime is 47197777711393. The reversal of 47197777711392 is 29311777779174.

47197777711392 is a `hidden beast` number, since 4 + 7 + 1 + 97 + 77 + 77 + 11 + 392 = 666.

It is an interprime number because it is at equal distance from previous prime (47197777711391) and next prime (47197777711393).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47197777711392.

It is not an unprimeable number, because it can be changed into a prime (47197777711391) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 198556003 + ... + 198793565.

It is an arithmetic number, because the mean of its divisors is an integer number (212378414976).

Almost surely, 2^{47197777711392} is an apocalyptic number.

47197777711392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47197777711392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91747475269632).

47197777711392 is an abundant number, since it is smaller than the sum of its proper divisors (136297172827872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47197777711392 is a wasteful number, since it uses less digits than its factorization.

47197777711392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237662 (or 237634 counting only the distinct ones).

The product of its digits is 228709656, while the sum is 72.

The spelling of 47197777711392 in words is "forty-seven trillion, one hundred ninety-seven billion, seven hundred seventy-seven million, seven hundred eleven thousand, three hundred ninety-two".