478875867 has 32 divisors (see below), whose sum is σ = 700780800. Its totient is φ = 289795968.

The previous prime is 478875851. The next prime is 478875883. The reversal of 478875867 is 768578874.

It is an interprime number because it is at equal distance from previous prime (478875851) and next prime (478875883).

It is not a de Polignac number, because 478875867 - 2⁴ = 478875851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478875867.

It is not an unprimeable number, because it can be changed into a prime (478875827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139609 + ... + 142997.

It is an arithmetic number, because the mean of its divisors is an integer number (21899400).

Almost surely, 2^478875867 is an apocalyptic number.

478875867 is a deficient number, since it is larger than the sum of its proper divisors (221904933).

478875867 is a wasteful number, since it uses less digits than its factorization.

478875867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its digits is 21073920, while the sum is 60.

The square root of 478875867 is about 21883.2325537156. The cubic root of 478875867 is about 782.3618238056.

The spelling of 478875867 in words is "four hundred seventy-eight million, eight hundred seventy-five thousand, eight hundred sixty-seven".