76881656 has 16 divisors (see below), whose sum is σ = 144248040. Its totient is φ = 38415520.

The previous prime is 76881653. The next prime is 76881689. The reversal of 76881656 is 65618867.

It is a self number, because there is not a number n which added to its sum of digits gives 76881656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76881653) 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, 18350 + ... + 22146.

Almost surely, 2^76881656 is an apocalyptic number.

It is an amenable number.

76881656 is a deficient number, since it is larger than the sum of its proper divisors (67366384).

76881656 is a wasteful number, since it uses less digits than its factorization.

76881656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334 (or 6330 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 76881656 is about 8768.2185191748. The cubic root of 76881656 is about 425.2140209253.

The spelling of 76881656 in words is "seventy-six million, eight hundred eighty-one thousand, six hundred fifty-six".