879269117 has 4 divisors (see below), whose sum is σ = 899717280. Its totient is φ = 858820956.

The previous prime is 879269077. The next prime is 879269173. The reversal of 879269117 is 711962978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 879269117 - 2¹² = 879265021 is a prime.

It is a super-2 number, since 2×879269117² = 1546228360219919378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879269177) 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, 10224017 + ... + 10224102.

It is an arithmetic number, because the mean of its divisors is an integer number (224929320).

Almost surely, 2^879269117 is an apocalyptic number.

It is an amenable number.

879269117 is a deficient number, since it is larger than the sum of its proper divisors (20448163).

879269117 is a wasteful number, since it uses less digits than its factorization.

879269117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448162.

The product of its digits is 381024, while the sum is 50.

The square root of 879269117 is about 29652.4723589788. The cubic root of 879269117 is about 958.0185973758.

The spelling of 879269117 in words is "eight hundred seventy-nine million, two hundred sixty-nine thousand, one hundred seventeen".