79286879 has 4 divisors (see below), whose sum is σ = 90613584. Its totient is φ = 67960176.

The previous prime is 79286839. The next prime is 79286897. The reversal of 79286879 is 97868297.

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

It is a cyclic number.

It is not a de Polignac number, because 79286879 - 2¹² = 79282783 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 (79286839) 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, 5663342 + ... + 5663355.

It is an arithmetic number, because the mean of its divisors is an integer number (22653396).

Almost surely, 2^79286879 is an apocalyptic number.

79286879 is a deficient number, since it is larger than the sum of its proper divisors (11326705).

79286879 is a wasteful number, since it uses less digits than its factorization.

79286879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326704.

The product of its digits is 3048192, while the sum is 56.

The square root of 79286879 is about 8904.3179974662. The cubic root of 79286879 is about 429.6028043024.

The spelling of 79286879 in words is "seventy-nine million, two hundred eighty-six thousand, eight hundred seventy-nine".