478677155 has 16 divisors (see below), whose sum is σ = 633679200. Its totient is φ = 344213760.

The previous prime is 478677139. The next prime is 478677167. The reversal of 478677155 is 551776874.

It is not a de Polignac number, because 478677155 - 2⁴ = 478677139 is a prime.

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, 44000 + ... + 53789.

It is an arithmetic number, because the mean of its divisors is an integer number (39604950).

Almost surely, 2^478677155 is an apocalyptic number.

478677155 is a deficient number, since it is larger than the sum of its proper divisors (155002045).

478677155 is a wasteful number, since it uses less digits than its factorization.

478677155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97894.

The product of its digits is 1646400, while the sum is 50.

The square root of 478677155 is about 21878.6918027564. The cubic root of 478677155 is about 782.2535938153.

The spelling of 478677155 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, one hundred fifty-five".