3927221125 has 16 divisors (see below), whose sum is σ = 4914584064. Its totient is φ = 3133179600.

The previous prime is 3927221117. The next prime is 3927221141. The reversal of 3927221125 is 5211227293.

It is not a de Polignac number, because 3927221125 - 2³ = 3927221117 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3072 + ... + 88678.

It is an arithmetic number, because the mean of its divisors is an integer number (307161504).

Almost surely, 2^3927221125 is an apocalyptic number.

It is an amenable number.

3927221125 is a deficient number, since it is larger than the sum of its proper divisors (987362939).

3927221125 is an equidigital number, since it uses as much as digits as its factorization.

3927221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85989 (or 85979 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 3927221125 is about 62667.5444309094. The cubic root of 3927221125 is about 1577.7146264270.

The spelling of 3927221125 in words is "three billion, nine hundred twenty-seven million, two hundred twenty-one thousand, one hundred twenty-five".