77160056 has 8 divisors (see below), whose sum is σ = 144675120. Its totient is φ = 38580024.

The previous prime is 77160053. The next prime is 77160067. The reversal of 77160056 is 65006177.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77160053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4822496 + ... + 4822511.

It is an arithmetic number, because the mean of its divisors is an integer number (18084390).

Almost surely, 2^77160056 is an apocalyptic number.

It is an amenable number.

77160056 is a deficient number, since it is larger than the sum of its proper divisors (67515064).

77160056 is a wasteful number, since it uses less digits than its factorization.

77160056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645013 (or 9645009 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 77160056 is about 8784.0796899846. The cubic root of 77160056 is about 425.7266572127.

The spelling of 77160056 in words is "seventy-seven million, one hundred sixty thousand, fifty-six".