475390878 has 16 divisors (see below), whose sum is σ = 958041216. Its totient is φ = 157253720.

The previous prime is 475390871. The next prime is 475390897. The reversal of 475390878 is 878093574.

It is a super-3 number, since 3×475390878³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 475390878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475390871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301626 + ... + 303197.

It is an arithmetic number, because the mean of its divisors is an integer number (59877576).

Almost surely, 2^475390878 is an apocalyptic number.

475390878 is an abundant number, since it is smaller than the sum of its proper divisors (482650338).

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

475390878 is a wasteful number, since it uses less digits than its factorization.

475390878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604959.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 475390878 is about 21803.4602299727. The cubic root of 475390878 is about 780.4593382548.

It can be divided in two parts, 4753908 and 78, that added together give a triangular number (4753986 = T₃₀₈₃).

The spelling of 475390878 in words is "four hundred seventy-five million, three hundred ninety thousand, eight hundred seventy-eight".