479987818 has 16 divisors (see below), whose sum is σ = 744445440. Its totient is φ = 231865200.

The previous prime is 479987803. The next prime is 479987821. The reversal of 479987818 is 818789974.

It is a happy number.

It is a super-2 number, since 2×479987818² = 460776610856802248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32988 + ... + 45256.

It is an arithmetic number, because the mean of its divisors is an integer number (46527840).

Almost surely, 2^479987818 is an apocalyptic number.

479987818 is a deficient number, since it is larger than the sum of its proper divisors (264457622).

479987818 is a wasteful number, since it uses less digits than its factorization.

479987818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12933.

The product of its digits is 8128512, while the sum is 61.

The square root of 479987818 is about 21908.6242836012. The cubic root of 479987818 is about 782.9669044392.

The spelling of 479987818 in words is "four hundred seventy-nine million, nine hundred eighty-seven thousand, eight hundred eighteen".