77576956 has 12 divisors (see below), whose sum is σ = 136354120. Its totient is φ = 38618640.

The previous prime is 77576921. The next prime is 77576957. The reversal of 77576956 is 65967577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77576957) 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, 41430 + ... + 43261.

Almost surely, 2^77576956 is an apocalyptic number.

It is an amenable number.

77576956 is a deficient number, since it is larger than the sum of its proper divisors (58777164).

77576956 is a wasteful number, since it uses less digits than its factorization.

77576956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84924 (or 84922 counting only the distinct ones).

The product of its digits is 2778300, while the sum is 52.

The square root of 77576956 is about 8807.7781534278. The cubic root of 77576956 is about 426.4920218937.

The spelling of 77576956 in words is "seventy-seven million, five hundred seventy-six thousand, nine hundred fifty-six".