76685233812 has 48 divisors (see below), whose sum is σ = 198881790912. Its totient is φ = 22799495680.

The previous prime is 76685233721. The next prime is 76685233813. The reversal of 76685233812 is 21833258667.

It is a happy number.

It is a super-2 number, since 2×76685233812² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76685233813) 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, 5473653 + ... + 5487644.

It is an arithmetic number, because the mean of its divisors is an integer number (4143370644).

Almost surely, 2^76685233812 is an apocalyptic number.

It is an amenable number.

76685233812 is an abundant number, since it is smaller than the sum of its proper divisors (122196557100).

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

76685233812 is a wasteful number, since it uses less digits than its factorization.

76685233812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961368 (or 10961366 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 76685233812 in words is "seventy-six billion, six hundred eighty-five million, two hundred thirty-three thousand, eight hundred twelve".