479890815 has 8 divisors (see below), whose sum is σ = 767825328. Its totient is φ = 255941760.

The previous prime is 479890813. The next prime is 479890897. The reversal of 479890815 is 518098974.

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

It is not a de Polignac number, because 479890815 - 2¹ = 479890813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479890813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15996346 + ... + 15996375.

It is an arithmetic number, because the mean of its divisors is an integer number (95978166).

Almost surely, 2^479890815 is an apocalyptic number.

479890815 is a deficient number, since it is larger than the sum of its proper divisors (287934513).

479890815 is a wasteful number, since it uses less digits than its factorization.

479890815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31992729.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 479890815 is about 21906.4103631791. The cubic root of 479890815 is about 782.9141563952.

The spelling of 479890815 in words is "four hundred seventy-nine million, eight hundred ninety thousand, eight hundred fifteen".