3881172972 has 24 divisors (see below), whose sum is σ = 9058691376. Its totient is φ = 1293349888.

The previous prime is 3881172929. The next prime is 3881172983. The reversal of 3881172972 is 2792711883.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893 + ... + 88124.

It is an arithmetic number, because the mean of its divisors is an integer number (377445474).

Almost surely, 2^3881172972 is an apocalyptic number.

It is an amenable number.

3881172972 is an abundant number, since it is smaller than the sum of its proper divisors (5177518404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3881172972 is a wasteful number, since it uses less digits than its factorization.

3881172972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93617 (or 93615 counting only the distinct ones).

The product of its digits is 338688, while the sum is 48.

The square root of 3881172972 is about 62299.0607633855. The cubic root of 3881172972 is about 1571.5239333691.

The spelling of 3881172972 in words is "three billion, eight hundred eighty-one million, one hundred seventy-two thousand, nine hundred seventy-two".