479972784 has 20 divisors (see below), whose sum is σ = 1239929816. Its totient is φ = 159990912.

The previous prime is 479972767. The next prime is 479972803. The reversal of 479972784 is 487279974.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999669 + ... + 4999764.

Almost surely, 2^479972784 is an apocalyptic number.

It is an amenable number.

479972784 is an abundant number, since it is smaller than the sum of its proper divisors (759957032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479972784 is a wasteful number, since it uses less digits than its factorization.

479972784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999444 (or 9999438 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The square root of 479972784 is about 21908.2811740218. The cubic root of 479972784 is about 782.9587297544.

The spelling of 479972784 in words is "four hundred seventy-nine million, nine hundred seventy-two thousand, seven hundred eighty-four".