447554997 has 16 divisors (see below), whose sum is σ = 680966080. Its totient is φ = 290305296.

The previous prime is 447554983. The next prime is 447555001. The reversal of 447554997 is 799455744.

447554997 is a `hidden beast` number, since 4 + 4 + 7 + 5 + 549 + 97 = 666.

It is not a de Polignac number, because 447554997 - 2¹⁰ = 447553973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447554917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223003 + ... + 225000.

It is an arithmetic number, because the mean of its divisors is an integer number (42560380).

Almost surely, 2^447554997 is an apocalyptic number.

It is an amenable number.

447554997 is a deficient number, since it is larger than the sum of its proper divisors (233411083).

447554997 is a wasteful number, since it uses less digits than its factorization.

447554997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448049 (or 448043 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 447554997 is about 21155.4956689745. The cubic root of 447554997 is about 764.9190379524.

The spelling of 447554997 in words is "four hundred forty-seven million, five hundred fifty-four thousand, nine hundred ninety-seven".