447817932864 has 63 divisors (see below), whose sum is σ = 1283635285023. Its totient is φ = 149267290752.

The previous prime is 447817932847. The next prime is 447817932883. The reversal of 447817932864 is 468239718744.

The square root of 447817932864 is 669192.

It is a perfect power (a square), and thus also a powerful number.

447817932864 is a `hidden beast` number, since 4 + 478 + 1 + 79 + 32 + 8 + 64 = 666.

It is a super-2 number, since 2×447817932864² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16046667 + ... + 16074549.

Almost surely, 2^447817932864 is an apocalyptic number.

447817932864 is the 669192-nd square number.

It is an amenable number.

447817932864 is an abundant number, since it is smaller than the sum of its proper divisors (835817352159).

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

447817932864 is an frugal number, since it uses more digits than its factorization.

447817932864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55784 (or 27888 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 447817932864 in words is "four hundred forty-seven billion, eight hundred seventeen million, nine hundred thirty-two thousand, eight hundred sixty-four".