3129987376 has 20 divisors (see below), whose sum is σ = 6067368112. Its totient is φ = 1564214976.

The previous prime is 3129987373. The next prime is 3129987379. The reversal of 3129987376 is 6737899213.

It is a happy number.

3129987376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3129987373) and next prime (3129987379).

It is not an unprimeable number, because it can be changed into a prime (3129987373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14796 + ... + 80491.

Almost surely, 2^3129987376 is an apocalyptic number.

It is an amenable number.

3129987376 is a deficient number, since it is larger than the sum of its proper divisors (2937380736).

3129987376 is a wasteful number, since it uses less digits than its factorization.

3129987376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97348 (or 97342 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 55.

The square root of 3129987376 is about 55946.2901004168. The cubic root of 3129987376 is about 1462.7862250907.

The spelling of 3129987376 in words is "three billion, one hundred twenty-nine million, nine hundred eighty-seven thousand, three hundred seventy-six".