475778982 has 32 divisors (see below), whose sum is σ = 1091533824. Its totient is φ = 135432000.

The previous prime is 475778909. The next prime is 475779011. The reversal of 475778982 is 289877574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9519 + ... + 32282.

It is an arithmetic number, because the mean of its divisors is an integer number (34110432).

Almost surely, 2^475778982 is an apocalyptic number.

475778982 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

475778982 is an abundant number, since it is smaller than the sum of its proper divisors (615754842).

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

475778982 is a wasteful number, since it uses less digits than its factorization.

475778982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42084.

The product of its digits is 7902720, while the sum is 57.

The square root of 475778982 is about 21812.3584694549. The cubic root of 475778982 is about 780.6716666877.

The spelling of 475778982 in words is "four hundred seventy-five million, seven hundred seventy-eight thousand, nine hundred eighty-two".