478798158 has 16 divisors (see below), whose sum is σ = 958594176. Its totient is φ = 159433080.

The previous prime is 478798141. The next prime is 478798213. The reversal of 478798158 is 851897874.

It is a super-2 number, since 2×478798158² = 458495352208385928, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 478798098 and 478798107.

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, 35266 + ... + 46917.

It is an arithmetic number, because the mean of its divisors is an integer number (59912136).

Almost surely, 2^478798158 is an apocalyptic number.

478798158 is an abundant number, since it is smaller than the sum of its proper divisors (479796018).

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

478798158 is a wasteful number, since it uses less digits than its factorization.

478798158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83159.

The product of its digits is 4515840, while the sum is 57.

The square root of 478798158 is about 21881.4569441799. The cubic root of 478798158 is about 782.3195025779.

The spelling of 478798158 in words is "four hundred seventy-eight million, seven hundred ninety-eight thousand, one hundred fifty-eight".