478478680 has 16 divisors (see below), whose sum is σ = 1076577120. Its totient is φ = 191391456.

The previous prime is 478478657. The next prime is 478478681. The reversal of 478478680 is 86874874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478478681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5980944 + ... + 5981023.

It is an arithmetic number, because the mean of its divisors is an integer number (67286070).

Almost surely, 2^478478680 is an apocalyptic number.

478478680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478478680 is an abundant number, since it is smaller than the sum of its proper divisors (598098440).

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

478478680 is a wasteful number, since it uses less digits than its factorization.

478478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961978 (or 11961974 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 478478680 is about 21874.1555265569. The cubic root of 478478680 is about 782.1454630054.

The spelling of 478478680 in words is "four hundred seventy-eight million, four hundred seventy-eight thousand, six hundred eighty".