56714779664 has 20 divisors (see below), whose sum is σ = 109899813804. Its totient is φ = 28353537408.

The previous prime is 56714779663. The next prime is 56714779739. The reversal of 56714779664 is 46697741765.

It can be written as a sum of positive squares in 2 ways, for example, as 54690499600 + 2024280064 = 233860^2 + 44992^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56714779597 and 56714779606.

It is not an unprimeable number, because it can be changed into a prime (56714779663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117407 + ... + 356670.

Almost surely, 2^56714779664 is an apocalyptic number.

It is an amenable number.

56714779664 is a deficient number, since it is larger than the sum of its proper divisors (53185034140).

56714779664 is a wasteful number, since it uses less digits than its factorization.

56714779664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481562 (or 481556 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 62.

The spelling of 56714779664 in words is "fifty-six billion, seven hundred fourteen million, seven hundred seventy-nine thousand, six hundred sixty-four".