79159287 has 4 divisors (see below), whose sum is σ = 105545720. Its totient is φ = 52772856.

The previous prime is 79159279. The next prime is 79159291. The reversal of 79159287 is 78295197.

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

It is not a de Polignac number, because 79159287 - 2³ = 79159279 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 (79159217) 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, 13193212 + ... + 13193217.

It is an arithmetic number, because the mean of its divisors is an integer number (26386430).

Almost surely, 2^79159287 is an apocalyptic number.

79159287 is a deficient number, since it is larger than the sum of its proper divisors (26386433).

79159287 is a wasteful number, since it uses less digits than its factorization.

79159287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26386432.

The product of its digits is 317520, while the sum is 48.

The square root of 79159287 is about 8897.1504988957. The cubic root of 79159287 is about 429.3722352137.

The spelling of 79159287 in words is "seventy-nine million, one hundred fifty-nine thousand, two hundred eighty-seven".