447969164 has 6 divisors (see below), whose sum is σ = 783946044. Its totient is φ = 223984580.

The previous prime is 447969161. The next prime is 447969167. The reversal of 447969164 is 461969744.

It is an interprime number because it is at equal distance from previous prime (447969161) and next prime (447969167).

It is not an unprimeable number, because it can be changed into a prime (447969161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55996142 + ... + 55996149.

It is an arithmetic number, because the mean of its divisors is an integer number (130657674).

Almost surely, 2^447969164 is an apocalyptic number.

It is an amenable number.

447969164 is a deficient number, since it is larger than the sum of its proper divisors (335976880).

447969164 is a wasteful number, since it uses less digits than its factorization.

447969164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111992295 (or 111992293 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 447969164 is about 21165.2820439511. The cubic root of 447969164 is about 765.1549170080.

The spelling of 447969164 in words is "four hundred forty-seven million, nine hundred sixty-nine thousand, one hundred sixty-four".