3914987715 has 64 divisors (see below), whose sum is σ = 7757337600. Its totient is φ = 1861719552.

The previous prime is 3914987683. The next prime is 3914987731. The reversal of 3914987715 is 5177894193.

It is a happy number.

3914987715 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3914987715 - 2⁵ = 3914987683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1287 + ... + 88496.

It is an arithmetic number, because the mean of its divisors is an integer number (121208400).

Almost surely, 2^3914987715 is an apocalyptic number.

3914987715 is a deficient number, since it is larger than the sum of its proper divisors (3842349885).

3914987715 is a wasteful number, since it uses less digits than its factorization.

3914987715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89833 (or 89827 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 3914987715 is about 62569.8626736546. The cubic root of 3914987715 is about 1576.0747132065.

The spelling of 3914987715 in words is "three billion, nine hundred fourteen million, nine hundred eighty-seven thousand, seven hundred fifteen".