77476056 has 48 divisors (see below), whose sum is σ = 225316440. Its totient is φ = 22135680.

The previous prime is 77476051. The next prime is 77476057. The reversal of 77476056 is 65067477.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 77475999 and 77476017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77476051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31765 + ... + 34116.

Almost surely, 2^77476056 is an apocalyptic number.

It is an amenable number.

77476056 is an abundant number, since it is smaller than the sum of its proper divisors (147840384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77476056 is a wasteful number, since it uses less digits than its factorization.

77476056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65904 (or 65893 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 77476056 is about 8802.0483979583. The cubic root of 77476056 is about 426.3070369119.

The spelling of 77476056 in words is "seventy-seven million, four hundred seventy-six thousand, fifty-six".