63864360 has 96 divisors (see below), whose sum is σ = 237219840. Its totient is φ = 14596992.

The previous prime is 63864343. The next prime is 63864389. The reversal of 63864360 is 6346836.

63864360 is a `hidden beast` number, since 6 + 3 + 8 + 643 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10152 + ... + 15191.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^63864360 is an apocalyptic number.

63864360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63864360 is an abundant number, since it is smaller than the sum of its proper divisors (173355480).

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

63864360 is a wasteful number, since it uses less digits than its factorization.

63864360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25367 (or 25360 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 63864360 is about 7991.5180034834. The cubic root of 63864360 is about 399.7172167979.

The spelling of 63864360 in words is "sixty-three million, eight hundred sixty-four thousand, three hundred sixty".