76771016688 has 40 divisors (see below), whose sum is σ = 198507044736. Its totient is φ = 25566865600.

The previous prime is 76771016687. The next prime is 76771016753. The reversal of 76771016688 is 88661017767.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76771016687) 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, 680628 + ... + 785363.

Almost surely, 2^76771016688 is an apocalyptic number.

It is an amenable number.

76771016688 is an abundant number, since it is smaller than the sum of its proper divisors (121736028048).

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

76771016688 is a wasteful number, since it uses less digits than its factorization.

76771016688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467093 (or 1467087 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 57.

The spelling of 76771016688 in words is "seventy-six billion, seven hundred seventy-one million, sixteen thousand, six hundred eighty-eight".