479507789566 has 8 divisors (see below), whose sum is σ = 774589506264. Its totient is φ = 221311287480.

The previous prime is 479507789557. The next prime is 479507789573. The reversal of 479507789566 is 665987705974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 9221303620 + ... + 9221303671.

It is an arithmetic number, because the mean of its divisors is an integer number (96823688283).

Almost surely, 2^479507789566 is an apocalyptic number.

479507789566 is a deficient number, since it is larger than the sum of its proper divisors (295081716698).

479507789566 is a wasteful number, since it uses less digits than its factorization.

479507789566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442607306.

The product of its (nonzero) digits is 800150400, while the sum is 73.

The spelling of 479507789566 in words is "four hundred seventy-nine billion, five hundred seven million, seven hundred eighty-nine thousand, five hundred sixty-six".