447266979 has 12 divisors (see below), whose sum is σ = 647668632. Its totient is φ = 297432000.

The previous prime is 447266969. The next prime is 447267001. The reversal of 447266979 is 979662744.

It is a happy number.

It is not a de Polignac number, because 447266979 - 2⁸ = 447266723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447266929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58357 + ... + 65574.

It is an arithmetic number, because the mean of its divisors is an integer number (53972386).

Almost surely, 2^447266979 is an apocalyptic number.

447266979 is a deficient number, since it is larger than the sum of its proper divisors (200401653).

447266979 is a wasteful number, since it uses less digits than its factorization.

447266979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124338 (or 124335 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 447266979 is about 21148.6874060779. The cubic root of 447266979 is about 764.7549182881.

The spelling of 447266979 in words is "four hundred forty-seven million, two hundred sixty-six thousand, nine hundred seventy-nine".