479221975 has 6 divisors (see below), whose sum is σ = 594235280. Its totient is φ = 383377560.

The previous prime is 479221969. The next prime is 479221987. The reversal of 479221975 is 579122974.

It is a happy number.

It is not a de Polignac number, because 479221975 - 2²³ = 470833367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9584415 + ... + 9584464.

Almost surely, 2^479221975 is an apocalyptic number.

479221975 is a deficient number, since it is larger than the sum of its proper divisors (115013305).

479221975 is a wasteful number, since it uses less digits than its factorization.

479221975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19168889 (or 19168884 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 479221975 is about 21891.1391891788. The cubic root of 479221975 is about 782.5502626718.

Subtracting 479221975 from its reverse (579122974), we obtain a palindrome (99900999).

The spelling of 479221975 in words is "four hundred seventy-nine million, two hundred twenty-one thousand, nine hundred seventy-five".