879979079 has 4 divisors (see below), whose sum is σ = 1005690384. Its totient is φ = 754267776.

The previous prime is 879979069. The next prime is 879979141. The reversal of 879979079 is 970979978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970979978 = 2 ⋅485489989.

It is a cyclic number.

It is not a de Polignac number, because 879979079 - 2¹² = 879974983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879979039) 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, 62855642 + ... + 62855655.

It is an arithmetic number, because the mean of its divisors is an integer number (251422596).

Almost surely, 2^879979079 is an apocalyptic number.

879979079 is a deficient number, since it is larger than the sum of its proper divisors (125711305).

879979079 is a wasteful number, since it uses less digits than its factorization.

879979079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125711304.

The product of its (nonzero) digits is 18003384, while the sum is 65.

The square root of 879979079 is about 29664.4413229038. The cubic root of 879979079 is about 958.2763773149.

It can be divided in two parts, 8799 and 79079, that added together give a palindrome (87878).

The spelling of 879979079 in words is "eight hundred seventy-nine million, nine hundred seventy-nine thousand, seventy-nine".