879189122 has 32 divisors (see below), whose sum is σ = 1602415872. Its totient is φ = 353605824.

The previous prime is 879189089. The next prime is 879189161. The reversal of 879189122 is 221981978.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8693 + ... + 42824.

It is an arithmetic number, because the mean of its divisors is an integer number (50075496).

Almost surely, 2^879189122 is an apocalyptic number.

879189122 is a deficient number, since it is larger than the sum of its proper divisors (723226750).

879189122 is a wasteful number, since it uses less digits than its factorization.

879189122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51602.

The product of its digits is 145152, while the sum is 47.

The square root of 879189122 is about 29651.1234525776. The cubic root of 879189122 is about 957.9895433124.

The spelling of 879189122 in words is "eight hundred seventy-nine million, one hundred eighty-nine thousand, one hundred twenty-two".