479912878686 has 16 divisors (see below), whose sum is σ = 959930208000. Its totient is φ = 159953551128.

The previous prime is 479912878673. The next prime is 479912878727. The reversal of 479912878686 is 686878219974.

It is a super-2 number, since 2×479912878686² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 4292316 + ... + 4402703.

It is an arithmetic number, because the mean of its divisors is an integer number (59995638000).

Almost surely, 2^479912878686 is an apocalyptic number.

479912878686 is an abundant number, since it is smaller than the sum of its proper divisors (480017329314).

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

479912878686 is a wasteful number, since it uses less digits than its factorization.

479912878686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704223.

The product of its digits is 585252864, while the sum is 75.

The spelling of 479912878686 in words is "four hundred seventy-nine billion, nine hundred twelve million, eight hundred seventy-eight thousand, six hundred eighty-six".