879397923 has 4 divisors (see below), whose sum is σ = 1172530568. Its totient is φ = 586265280.

The previous prime is 879397921. The next prime is 879397933. The reversal of 879397923 is 329793978.

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

It is not a de Polignac number, because 879397923 - 2¹ = 879397921 is a prime.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146566318 + ... + 146566323.

It is an arithmetic number, because the mean of its divisors is an integer number (293132642).

Almost surely, 2^879397923 is an apocalyptic number.

879397923 is a deficient number, since it is larger than the sum of its proper divisors (293132645).

879397923 is a wasteful number, since it uses less digits than its factorization.

879397923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293132644.

The product of its digits is 5143824, while the sum is 57.

The square root of 879397923 is about 29654.6442062622. The cubic root of 879397923 is about 958.0653758178.

The spelling of 879397923 in words is "eight hundred seventy-nine million, three hundred ninety-seven thousand, nine hundred twenty-three".