879397922 has 18 divisors (see below), whose sum is σ = 1429257267. Its totient is φ = 405624336.

The previous prime is 879397921. The next prime is 879397933. The reversal of 879397922 is 229793978.

It can be written as a sum of positive squares in 5 ways, for example, as 217828081 + 661569841 = 14759^2 + 25721^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20969.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879397921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 544388 + ... + 546000.

Almost surely, 2^879397922 is an apocalyptic number.

879397922 is a deficient number, since it is larger than the sum of its proper divisors (549859345).

879397922 is an equidigital number, since it uses as much as digits as its factorization.

879397922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 1628 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 879397922 is about 29654.6441894014. The cubic root of 879397922 is about 958.0653754547.

The spelling of 879397922 in words is "eight hundred seventy-nine million, three hundred ninety-seven thousand, nine hundred twenty-two".