77568952 has 16 divisors (see below), whose sum is σ = 147907800. Its totient is φ = 38126880.

The previous prime is 77568937. The next prime is 77568961. The reversal of 77568952 is 25986577.

It is a junction number, because it is equal to n+sod(n) for n = 77568896 and 77568905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81699 + ... + 82642.

Almost surely, 2^77568952 is an apocalyptic number.

It is an amenable number.

77568952 is a deficient number, since it is larger than the sum of its proper divisors (70338848).

77568952 is a wasteful number, since it uses less digits than its factorization.

77568952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164406 (or 164402 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 77568952 is about 8807.3237705900. The cubic root of 77568952 is about 426.4773536223.

The spelling of 77568952 in words is "seventy-seven million, five hundred sixty-eight thousand, nine hundred fifty-two".