485634978 has 24 divisors (see below), whose sum is σ = 1054006668. Its totient is φ = 161601792.

The previous prime is 485634977. The next prime is 485634979. The reversal of 485634978 is 879436584.

485634978 is a `hidden beast` number, since 4 + 8 + 563 + 4 + 9 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (485634977) and next prime (485634979).

It can be written as a sum of positive squares in 2 ways, for example, as 478165689 + 7469289 = 21867^2 + 2733^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (485634977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12075 + ... + 33422.

Almost surely, 2^485634978 is an apocalyptic number.

485634978 is an abundant number, since it is smaller than the sum of its proper divisors (568371690).

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

485634978 is a wasteful number, since it uses less digits than its factorization.

485634978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46098 (or 46095 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 485634978 is about 22037.1272628716. The cubic root of 485634978 is about 786.0255318707.

The spelling of 485634978 in words is "four hundred eighty-five million, six hundred thirty-four thousand, nine hundred seventy-eight".