3957587520 has 112 divisors (see below), whose sum is σ = 13226735040. Its totient is φ = 999806976.

The previous prime is 3957587497. The next prime is 3957587537. The reversal of 3957587520 is 257857593.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90247 + ... + 126726.

Almost surely, 2^3957587520 is an apocalyptic number.

3957587520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3957587520 is an abundant number, since it is smaller than the sum of its proper divisors (9269147520).

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

3957587520 is a wasteful number, since it uses less digits than its factorization.

3957587520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217012 (or 217002 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The square root of 3957587520 is about 62909.3595580181. The cubic root of 3957587520 is about 1581.7706368923.

The spelling of 3957587520 in words is "three billion, nine hundred fifty-seven million, five hundred eighty-seven thousand, five hundred twenty".