63204864 has 40 divisors (see below), whose sum is σ = 168385800. Its totient is φ = 21067776.

The previous prime is 63204859. The next prime is 63204881. The reversal of 63204864 is 46840236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19039 + ... + 22110.

It is an arithmetic number, because the mean of its divisors is an integer number (4209645).

Almost surely, 2^63204864 is an apocalyptic number.

63204864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63204864 is an abundant number, since it is smaller than the sum of its proper divisors (105180936).

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

63204864 is an equidigital number, since it uses as much as digits as its factorization.

63204864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41170 (or 41154 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 63204864 is about 7950.1486778550. The cubic root of 63204864 is about 398.3365586631.

The spelling of 63204864 in words is "sixty-three million, two hundred four thousand, eight hundred sixty-four".