47539994688 has 112 divisors (see below), whose sum is σ = 140483904960. Its totient is φ = 15764447232.

The previous prime is 47539994681. The next prime is 47539994707. The reversal of 47539994688 is 88649993574.

47539994688 is a `hidden beast` number, since 4 + 7 + 539 + 9 + 9 + 4 + 6 + 88 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (47539994681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262231 + ... + 404777.

It is an arithmetic number, because the mean of its divisors is an integer number (1254320580).

Almost surely, 2^47539994688 is an apocalyptic number.

47539994688 is a gapful number since it is divisible by the number (48) 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 47539994688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70241952480).

47539994688 is an abundant number, since it is smaller than the sum of its proper divisors (92943910272).

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

47539994688 is a wasteful number, since it uses less digits than its factorization.

47539994688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142761 (or 142745 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 47539994688 in words is "forty-seven billion, five hundred thirty-nine million, nine hundred ninety-four thousand, six hundred eighty-eight".