76538886639216 has 40 divisors (see below), whose sum is σ = 197758373737344. Its totient is φ = 25508714911680.

The previous prime is 76538886639211. The next prime is 76538886639221. The reversal of 76538886639216 is 61293668883567.

It is an interprime number because it is at equal distance from previous prime (76538886639211) and next prime (76538886639221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76538886639211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132436830 + ... + 133013501.

Almost surely, 2^{76538886639216} is an apocalyptic number.

It is an amenable number.

76538886639216 is an abundant number, since it is smaller than the sum of its proper divisors (121219487098128).

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

76538886639216 is a wasteful number, since it uses less digits than its factorization.

76538886639216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265456349 (or 265456343 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 78.

The spelling of 76538886639216 in words is "seventy-six trillion, five hundred thirty-eight billion, eight hundred eighty-six million, six hundred thirty-nine thousand, two hundred sixteen".