3913878970 has 24 divisors (see below), whose sum is σ = 7435292724. Its totient is φ = 1483152768.

The previous prime is 3913878953. The next prime is 3913878971. The reversal of 3913878970 is 798783193.

3913878970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3876681169 + 37197801 = 62263^2 + 6099^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3913878971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538479 + ... + 545698.

Almost surely, 2^3913878970 is an apocalyptic number.

3913878970 is a deficient number, since it is larger than the sum of its proper divisors (3521413754).

3913878970 is a wasteful number, since it uses less digits than its factorization.

3913878970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084222 (or 1084203 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 3913878970 is about 62561.0019900577. The cubic root of 3913878970 is about 1575.9259149578.

The spelling of 3913878970 in words is "three billion, nine hundred thirteen million, eight hundred seventy-eight thousand, nine hundred seventy".