478992108 has 24 divisors (see below), whose sum is σ = 1277312512. Its totient is φ = 136854864.

The previous prime is 478992091. The next prime is 478992113. The reversal of 478992108 is 801299874.

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, 2851060 + ... + 2851227.

Almost surely, 2^478992108 is an apocalyptic number.

It is an amenable number.

478992108 is an abundant number, since it is smaller than the sum of its proper divisors (798320404).

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

478992108 is a wasteful number, since it uses less digits than its factorization.

478992108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702301 (or 5702299 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 478992108 is about 21885.8883301547. Note that the first 3 decimals coincide. The cubic root of 478992108 is about 782.4251214641.

The spelling of 478992108 in words is "four hundred seventy-eight million, nine hundred ninety-two thousand, one hundred eight".