38736537856 has 27 divisors (see below), whose sum is σ = 77328047433. Its totient is φ = 19366694400.

The previous prime is 38736537803. The next prime is 38736537863. The reversal of 38736537856 is 65873563783.

The square root of 38736537856 is 196816.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13645977856 + 25090560000 = 116816^2 + 158400^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38736537794 and 38736537803.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3142906 + ... + 3155206.

Almost surely, 2^38736537856 is an apocalyptic number.

38736537856 is the 196816-th square number.

It is an amenable number.

38736537856 is a deficient number, since it is larger than the sum of its proper divisors (38591509577).

38736537856 is an frugal number, since it uses more digits than its factorization.

38736537856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24618 (or 12303 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 61.

The spelling of 38736537856 in words is "thirty-eight billion, seven hundred thirty-six million, five hundred thirty-seven thousand, eight hundred fifty-six".