38117876644 has 81 divisors (see below), whose sum is σ = 71492070699. Its totient is φ = 17782277040.

The previous prime is 38117876639. The next prime is 38117876653. The reversal of 38117876644 is 44667871183.

The square root of 38117876644 is 195238.

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

Its product of digits (5419008) is a multiple of the sum of its prime divisors (147).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 568923499 + ... + 568923565.

Almost surely, 2^38117876644 is an apocalyptic number.

38117876644 is the 195238-th square number.

It is an amenable number.

38117876644 is a deficient number, since it is larger than the sum of its proper divisors (33374194055).

38117876644 is an equidigital number, since it uses as much as digits as its factorization.

38117876644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 147 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The spelling of 38117876644 in words is "thirty-eight billion, one hundred seventeen million, eight hundred seventy-six thousand, six hundred forty-four".