63957912 has 32 divisors (see below), whose sum is σ = 160116480. Its totient is φ = 21289760.

The previous prime is 63957911. The next prime is 63957967. The reversal of 63957912 is 21975936.

It is a super-2 number, since 2×63957912² = 8181229014799488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63957911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22237 + ... + 24947.

It is an arithmetic number, because the mean of its divisors is an integer number (5003640).

Almost surely, 2^63957912 is an apocalyptic number.

It is an amenable number.

63957912 is an abundant number, since it is smaller than the sum of its proper divisors (96158568).

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

63957912 is a wasteful number, since it uses less digits than its factorization.

63957912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3699 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 63957912 is about 7997.3690673871. The cubic root of 63957912 is about 399.9122974387.

The spelling of 63957912 in words is "sixty-three million, nine hundred fifty-seven thousand, nine hundred twelve".