475187879 has 8 divisors (see below), whose sum is σ = 482400672. Its totient is φ = 467994240.

The previous prime is 475187857. The next prime is 475187887. The reversal of 475187879 is 978781574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475187879 - 2¹² = 475183783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475187849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49859 + ... + 58619.

It is an arithmetic number, because the mean of its divisors is an integer number (60300084).

Almost surely, 2^475187879 is an apocalyptic number.

475187879 is a deficient number, since it is larger than the sum of its proper divisors (7212793).

475187879 is an equidigital number, since it uses as much as digits as its factorization.

475187879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577.

The product of its digits is 3951360, while the sum is 56.

The square root of 475187879 is about 21798.8045314416. The cubic root of 475187879 is about 780.3482331769.

The spelling of 475187879 in words is "four hundred seventy-five million, one hundred eighty-seven thousand, eight hundred seventy-nine".