56865823738 has 4 divisors (see below), whose sum is σ = 85298735610. Its totient is φ = 28432911868.

The previous prime is 56865823733. The next prime is 56865823753. The reversal of 56865823738 is 83732856865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52062917929 + 4802905809 = 228173^2 + 69303^2 .

It is not an unprimeable number, because it can be changed into a prime (56865823733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14216455933 + ... + 14216455936.

Almost surely, 2^56865823738 is an apocalyptic number.

56865823738 is a deficient number, since it is larger than the sum of its proper divisors (28432911872).

56865823738 is a wasteful number, since it uses less digits than its factorization.

56865823738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432911871.

The product of its digits is 58060800, while the sum is 61.

The spelling of 56865823738 in words is "fifty-six billion, eight hundred sixty-five million, eight hundred twenty-three thousand, seven hundred thirty-eight".