3915718872 has 64 divisors (see below), whose sum is σ = 10882421760. Its totient is φ = 1165968000.

The previous prime is 3915718871. The next prime is 3915718897. The reversal of 3915718872 is 2788175193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915718871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192754 + ... + 212097.

It is an arithmetic number, because the mean of its divisors is an integer number (170037840).

Almost surely, 2^3915718872 is an apocalyptic number.

It is an amenable number.

3915718872 is an abundant number, since it is smaller than the sum of its proper divisors (6966702888).

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

3915718872 is a wasteful number, since it uses less digits than its factorization.

3915718872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404904 (or 404900 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 3915718872 is about 62575.7051258713. The cubic root of 3915718872 is about 1576.1728221843.

The spelling of 3915718872 in words is "three billion, nine hundred fifteen million, seven hundred eighteen thousand, eight hundred seventy-two".