475403778 has 24 divisors (see below), whose sum is σ = 1051959168. Its totient is φ = 155095992.

The previous prime is 475403737. The next prime is 475403791. The reversal of 475403778 is 877304574.

475403778 is a `hidden beast` number, since 4 + 7 + 540 + 37 + 78 = 666.

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 11 ways as a sum of consecutive naturals, for example, 280126 + ... + 281817.

It is an arithmetic number, because the mean of its divisors is an integer number (43831632).

Almost surely, 2^475403778 is an apocalyptic number.

475403778 is an abundant number, since it is smaller than the sum of its proper divisors (576555390).

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

475403778 is a wasteful number, since it uses less digits than its factorization.

475403778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561998 (or 561995 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 475403778 is about 21803.7560525704. The cubic root of 475403778 is about 780.4663975926.

The spelling of 475403778 in words is "four hundred seventy-five million, four hundred three thousand, seven hundred seventy-eight".