56787763364 has 6 divisors (see below), whose sum is σ = 99378585894. Its totient is φ = 28393881680.

The previous prime is 56787763321. The next prime is 56787763381. The reversal of 56787763364 is 46336778765.

It can be written as a sum of positive squares in only one way, i.e., 38727091264 + 18060672100 = 196792^2 + 134390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56787763297 and 56787763306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7098470417 + ... + 7098470424.

It is an arithmetic number, because the mean of its divisors is an integer number (16563097649).

Almost surely, 2^56787763364 is an apocalyptic number.

It is an amenable number.

56787763364 is a deficient number, since it is larger than the sum of its proper divisors (42590822530).

56787763364 is a wasteful number, since it uses less digits than its factorization.

56787763364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14196940845 (or 14196940843 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 62.

The spelling of 56787763364 in words is "fifty-six billion, seven hundred eighty-seven million, seven hundred sixty-three thousand, three hundred sixty-four".