47811290688 has 840 divisors, whose sum is σ = 177535319808. Its totient is φ = 12453543936.

The previous prime is 47811290663. The next prime is 47811290689. The reversal of 47811290688 is 88609211874.

47811290688 is a `hidden beast` number, since 478 + 1 + 1 + 2 + 90 + 6 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (47811290689) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 492899856 + ... + 492899952.

Almost surely, 2^47811290688 is an apocalyptic number.

47811290688 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 47811290688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88767659904).

47811290688 is an abundant number, since it is smaller than the sum of its proper divisors (129724029120).

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

47811290688 is a wasteful number, since it uses less digits than its factorization.

47811290688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 47811290688 in words is "forty-seven billion, eight hundred eleven million, two hundred ninety thousand, six hundred eighty-eight".