478288894 has 16 divisors (see below), whose sum is σ = 741882240. Its totient is φ = 231022080.

The previous prime is 478288849. The next prime is 478288901. The reversal of 478288894 is 498882874.

It is a super-2 number, since 2×478288894² = 457520532247486472, which 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, 30262 + ... + 43270.

It is an arithmetic number, because the mean of its divisors is an integer number (46367640).

Almost surely, 2^478288894 is an apocalyptic number.

478288894 is a deficient number, since it is larger than the sum of its proper divisors (263593346).

478288894 is a wasteful number, since it uses less digits than its factorization.

478288894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635.

The product of its digits is 8257536, while the sum is 58.

The square root of 478288894 is about 21869.8169631115. The cubic root of 478288894 is about 782.0420380634.

The spelling of 478288894 in words is "four hundred seventy-eight million, two hundred eighty-eight thousand, eight hundred ninety-four".