77412056 has 32 divisors (see below), whose sum is σ = 147798000. Its totient is φ = 38006400.

The previous prime is 77412037. The next prime is 77412077. The reversal of 77412056 is 65021477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120071 + ... + 120713.

Almost surely, 2^77412056 is an apocalyptic number.

It is an amenable number.

77412056 is a deficient number, since it is larger than the sum of its proper divisors (70385944).

77412056 is a wasteful number, since it uses less digits than its factorization.

77412056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 77412056 is about 8798.4121294697. The cubic root of 77412056 is about 426.1896192740.

The spelling of 77412056 in words is "seventy-seven million, four hundred twelve thousand, fifty-six".