3107978523 has 96 divisors (see below), whose sum is σ = 5377881600. Its totient is φ = 1711176192.

The previous prime is 3107978507. The next prime is 3107978527. The reversal of 3107978523 is 3258797013.

It is a happy number.

3107978523 is a `hidden beast` number, since 31 + 0 + 7 + 97 + 8 + 523 = 666.

It is not a de Polignac number, because 3107978523 - 2⁴ = 3107978507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3107978527) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4550140 + ... + 4550822.

It is an arithmetic number, because the mean of its divisors is an integer number (56019600).

Almost surely, 2^3107978523 is an apocalyptic number.

3107978523 is a deficient number, since it is larger than the sum of its proper divisors (2269903077).

3107978523 is a wasteful number, since it uses less digits than its factorization.

3107978523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 3107978523 is about 55749.2468379619. The cubic root of 3107978523 is about 1459.3495762669.

The spelling of 3107978523 in words is "three billion, one hundred seven million, nine hundred seventy-eight thousand, five hundred twenty-three".