879323979 has 4 divisors (see below), whose sum is σ = 1172431976. Its totient is φ = 586215984.

The previous prime is 879323953. The next prime is 879323983. The reversal of 879323979 is 979323978.

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

It is not a de Polignac number, because 879323979 - 2¹¹ = 879321931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879323999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146553994 + ... + 146553999.

It is an arithmetic number, because the mean of its divisors is an integer number (293107994).

Almost surely, 2^879323979 is an apocalyptic number.

879323979 is a deficient number, since it is larger than the sum of its proper divisors (293107997).

879323979 is a wasteful number, since it uses less digits than its factorization.

879323979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293107996.

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

The square root of 879323979 is about 29653.3974276136. The cubic root of 879323979 is about 958.0385221528.

Subtracting 879323979 from its reverse (979323978), we obtain a palindrome (99999999).

The spelling of 879323979 in words is "eight hundred seventy-nine million, three hundred twenty-three thousand, nine hundred seventy-nine".