475331976815 has 4 divisors (see below), whose sum is σ = 570398372184. Its totient is φ = 380265581448.

The previous prime is 475331976793. The next prime is 475331976827. The reversal of 475331976815 is 518679133574.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 475331976815 - 2¹⁰ = 475331975791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47533197677 + ... + 47533197686.

It is an arithmetic number, because the mean of its divisors is an integer number (142599593046).

Almost surely, 2^475331976815 is an apocalyptic number.

475331976815 is a deficient number, since it is larger than the sum of its proper divisors (95066395369).

475331976815 is an equidigital number, since it uses as much as digits as its factorization.

475331976815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95066395368.

The product of its digits is 19051200, while the sum is 59.

The spelling of 475331976815 in words is "four hundred seventy-five billion, three hundred thirty-one million, nine hundred seventy-six thousand, eight hundred fifteen".