447612664 has 16 divisors (see below), whose sum is σ = 840168720. Its totient is φ = 223567680.

The previous prime is 447612661. The next prime is 447612667. The reversal of 447612664 is 466216744.

It is an interprime number because it is at equal distance from previous prime (447612661) and next prime (447612667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447612661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21732 + ... + 36979.

It is an arithmetic number, because the mean of its divisors is an integer number (52510545).

Almost surely, 2^447612664 is an apocalyptic number.

It is an amenable number.

447612664 is a deficient number, since it is larger than the sum of its proper divisors (392556056).

447612664 is a wasteful number, since it uses less digits than its factorization.

447612664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59670 (or 59666 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 447612664 is about 21156.8585569786. The cubic root of 447612664 is about 764.9518895514.

The spelling of 447612664 in words is "four hundred forty-seven million, six hundred twelve thousand, six hundred sixty-four".