478132886 has 48 divisors (see below), whose sum is σ = 923104512. Its totient is φ = 183632400.

The previous prime is 478132883. The next prime is 478132903. The reversal of 478132886 is 688231874.

It is a super-2 number, since 2×478132886² = 457222113349377992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478132886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478132883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73415 + ... + 79661.

It is an arithmetic number, because the mean of its divisors is an integer number (19231344).

Almost surely, 2^478132886 is an apocalyptic number.

478132886 is a deficient number, since it is larger than the sum of its proper divisors (444971626).

478132886 is a wasteful number, since it uses less digits than its factorization.

478132886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345 (or 6338 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 478132886 is about 21866.2499299720. The cubic root of 478132886 is about 781.9570001408.

The spelling of 478132886 in words is "four hundred seventy-eight million, one hundred thirty-two thousand, eight hundred eighty-six".