809427317122 has 16 divisors (see below), whose sum is σ = 1215658680192. Its totient is φ = 404207939520.

The previous prime is 809427317119. The next prime is 809427317201. The reversal of 809427317122 is 221713724908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9439722 + ... + 9525082.

It is an arithmetic number, because the mean of its divisors is an integer number (75978667512).

Almost surely, 2^809427317122 is an apocalyptic number.

809427317122 is a deficient number, since it is larger than the sum of its proper divisors (406231363070).

809427317122 is a wasteful number, since it uses less digits than its factorization.

809427317122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91233.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 809427317122 in words is "eight hundred nine billion, four hundred twenty-seven million, three hundred seventeen thousand, one hundred twenty-two".