479621479 has 4 divisors (see below), whose sum is σ = 479946376. Its totient is φ = 479296584.

The previous prime is 479621477. The next prime is 479621509. The reversal of 479621479 is 974126974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 479621479 - 2¹ = 479621477 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 (479621477) 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, 160224 + ... + 163189.

It is an arithmetic number, because the mean of its divisors is an integer number (119986594).

Almost surely, 2^479621479 is an apocalyptic number.

479621479 is a deficient number, since it is larger than the sum of its proper divisors (324897).

479621479 is a wasteful number, since it uses less digits than its factorization.

479621479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324896.

The product of its digits is 762048, while the sum is 49.

The square root of 479621479 is about 21900.2620760574. The cubic root of 479621479 is about 782.7676602741.

The spelling of 479621479 in words is "four hundred seventy-nine million, six hundred twenty-one thousand, four hundred seventy-nine".