478208136 has 64 divisors (see below), whose sum is σ = 1369267200. Its totient is φ = 136335168.

The previous prime is 478208123. The next prime is 478208183. The reversal of 478208136 is 631802874.

It is a junction number, because it is equal to n+sod(n) for n = 478208094 and 478208103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81675 + ... + 87333.

It is an arithmetic number, because the mean of its divisors is an integer number (21394800).

Almost surely, 2^478208136 is an apocalyptic number.

It is an amenable number.

478208136 is an abundant number, since it is smaller than the sum of its proper divisors (891059064).

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

478208136 is a wasteful number, since it uses less digits than its factorization.

478208136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178 (or 6174 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 478208136 is about 21867.9705505564. The cubic root of 478208136 is about 781.9980202417.

The spelling of 478208136 in words is "four hundred seventy-eight million, two hundred eight thousand, one hundred thirty-six".