478508068 has 6 divisors (see below), whose sum is σ = 837389126. Its totient is φ = 239254032.

The previous prime is 478508057. The next prime is 478508083. The reversal of 478508068 is 860805874.

It can be written as a sum of positive squares in only one way, i.e., 468635904 + 9872164 = 21648^2 + 3142^2 .

It is a super-2 number, since 2×478508068² = 457939942282185248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59813505 + ... + 59813512.

Almost surely, 2^478508068 is an apocalyptic number.

It is an amenable number.

478508068 is a deficient number, since it is larger than the sum of its proper divisors (358881058).

478508068 is a wasteful number, since it uses less digits than its factorization.

478508068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119627021 (or 119627019 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 478508068 is about 21874.8272678895. The cubic root of 478508068 is about 782.1614757149.

The spelling of 478508068 in words is "four hundred seventy-eight million, five hundred eight thousand, sixty-eight".