475807878 has 64 divisors (see below), whose sum is σ = 1301368320. Its totient is φ = 125486496.

The previous prime is 475807859. The next prime is 475807903. The reversal of 475807878 is 878708574.

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 a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43500 + ... + 53327.

It is an arithmetic number, because the mean of its divisors is an integer number (20333880).

Almost surely, 2^475807878 is an apocalyptic number.

475807878 is an abundant number, since it is smaller than the sum of its proper divisors (825560442).

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

475807878 is a wasteful number, since it uses less digits than its factorization.

475807878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96858 (or 96852 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The square root of 475807878 is about 21813.0208361886. The cubic root of 475807878 is about 780.6874708269.

The spelling of 475807878 in words is "four hundred seventy-five million, eight hundred seven thousand, eight hundred seventy-eight".