63344764872 has 192 divisors, whose sum is σ = 178993152000. Its totient is φ = 20215958400.

The previous prime is 63344764849. The next prime is 63344764883. The reversal of 63344764872 is 27846744336.

63344764872 is a `hidden beast` number, since 63 + 3 + 4 + 476 + 48 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132243529 + ... + 132244007.

It is an arithmetic number, because the mean of its divisors is an integer number (932256000).

Almost surely, 2^63344764872 is an apocalyptic number.

63344764872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63344764872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89496576000).

63344764872 is an abundant number, since it is smaller than the sum of its proper divisors (115648387128).

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

63344764872 is a wasteful number, since it uses less digits than its factorization.

63344764872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1025 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 54.

The spelling of 63344764872 in words is "sixty-three billion, three hundred forty-four million, seven hundred sixty-four thousand, eight hundred seventy-two".