978485256 has 96 divisors (see below), whose sum is σ = 3188078400. Its totient is φ = 264850560.

The previous prime is 978485227. The next prime is 978485267. The reversal of 978485256 is 652584879.

978485256 is a `hidden beast` number, since 9 + 78 + 48 + 525 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41515 + ... + 60666.

It is an arithmetic number, because the mean of its divisors is an integer number (33209150).

Almost surely, 2^978485256 is an apocalyptic number.

It is an amenable number.

978485256 is an abundant number, since it is smaller than the sum of its proper divisors (2209593144).

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

978485256 is a wasteful number, since it uses less digits than its factorization.

978485256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102219 (or 102212 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 978485256 is about 31280.7489680155. The cubic root of 978485256 is about 992.7763633861.

The spelling of 978485256 in words is "nine hundred seventy-eight million, four hundred eighty-five thousand, two hundred fifty-six".