76678858456 has 16 divisors (see below), whose sum is σ = 144406223640. Its totient is φ = 38170532160.

The previous prime is 76678858441. The next prime is 76678858457. The reversal of 76678858456 is 65485887667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76678858457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21110205 + ... + 21113836.

Almost surely, 2^76678858456 is an apocalyptic number.

It is an amenable number.

76678858456 is a deficient number, since it is larger than the sum of its proper divisors (67727365184).

76678858456 is a wasteful number, since it uses less digits than its factorization.

76678858456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42224274 (or 42224270 counting only the distinct ones).

The product of its digits is 541900800, while the sum is 70.

The spelling of 76678858456 in words is "seventy-six billion, six hundred seventy-eight million, eight hundred fifty-eight thousand, four hundred fifty-six".