3957878600 has 144 divisors (see below), whose sum is σ = 10490511600. Its totient is φ = 1384231680.

The previous prime is 3957878557. The next prime is 3957878623. The reversal of 3957878600 is 68787593.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 639119 + ... + 645281.

It is an arithmetic number, because the mean of its divisors is an integer number (72850775).

Almost surely, 2^3957878600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3957878600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5245255800).

3957878600 is an abundant number, since it is smaller than the sum of its proper divisors (6532633000).

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

3957878600 is a wasteful number, since it uses less digits than its factorization.

3957878600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224 (or 6202 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 3957878600 is about 62911.6730027107. The cubic root of 3957878600 is about 1581.8094156102.

The spelling of 3957878600 in words is "three billion, nine hundred fifty-seven million, eight hundred seventy-eight thousand, six hundred".