38731672155 has 16 divisors (see below), whose sum is σ = 67604373504. Its totient is φ = 18778992480.

The previous prime is 38731672117. The next prime is 38731672183. The reversal of 38731672155 is 55127613783.

It is not a de Polignac number, because 38731672155 - 2⁷ = 38731672027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117368539 + ... + 117368868.

It is an arithmetic number, because the mean of its divisors is an integer number (4225273344).

Almost surely, 2^38731672155 is an apocalyptic number.

38731672155 is a deficient number, since it is larger than the sum of its proper divisors (28872701349).

38731672155 is a wasteful number, since it uses less digits than its factorization.

38731672155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234737426.

The product of its digits is 1058400, while the sum is 48.

The spelling of 38731672155 in words is "thirty-eight billion, seven hundred thirty-one million, six hundred seventy-two thousand, one hundred fifty-five".