38931672874 has 4 divisors (see below), whose sum is σ = 58397509314. Its totient is φ = 19465836436.

The previous prime is 38931672869. The next prime is 38931672881. The reversal of 38931672874 is 47827613983.

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., 35068180225 + 3863492649 = 187265^2 + 62157^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 9732918217 + ... + 9732918220.

Almost surely, 2^38931672874 is an apocalyptic number.

38931672874 is a deficient number, since it is larger than the sum of its proper divisors (19465836440).

38931672874 is a wasteful number, since it uses less digits than its factorization.

38931672874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19465836439.

The product of its digits is 12192768, while the sum is 58.

The spelling of 38931672874 in words is "thirty-eight billion, nine hundred thirty-one million, six hundred seventy-two thousand, eight hundred seventy-four".