79069879 has 6 divisors (see below), whose sum is σ = 91979304. Its totient is φ = 67774140.

The previous prime is 79069843. The next prime is 79069891. The reversal of 79069879 is 97896097.

It is not a de Polignac number, because 79069879 - 2¹⁵ = 79037111 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 (79069379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806787 + ... + 806884.

It is an arithmetic number, because the mean of its divisors is an integer number (15329884).

Almost surely, 2^79069879 is an apocalyptic number.

79069879 is a deficient number, since it is larger than the sum of its proper divisors (12909425).

79069879 is a wasteful number, since it uses less digits than its factorization.

79069879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613685 (or 1613678 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 79069879 is about 8892.1245492852. The cubic root of 79069879 is about 429.2105200336.

The spelling of 79069879 in words is "seventy-nine million, sixty-nine thousand, eight hundred seventy-nine".