475403979 has 16 divisors (see below), whose sum is σ = 650450304. Its totient is φ = 308673600.

The previous prime is 475403977. The next prime is 475403987. The reversal of 475403979 is 979304574.

It is a happy number.

It is not a de Polignac number, because 475403979 - 2¹ = 475403977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475403977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76084 + ... + 82094.

It is an arithmetic number, because the mean of its divisors is an integer number (40653144).

Almost surely, 2^475403979 is an apocalyptic number.

475403979 is a deficient number, since it is larger than the sum of its proper divisors (175046325).

475403979 is a wasteful number, since it uses less digits than its factorization.

475403979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 475403979 is about 21803.7606618675. The cubic root of 475403979 is about 780.4665075859.

The spelling of 475403979 in words is "four hundred seventy-five million, four hundred three thousand, nine hundred seventy-nine".