79497159 has 24 divisors (see below), whose sum is σ = 129795840. Its totient is φ = 43034544.

The previous prime is 79497157. The next prime is 79497161. The reversal of 79497159 is 95179497.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79497157) and next prime (79497161).

It is not a de Polignac number, because 79497159 - 2¹ = 79497157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79497157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11439 + ... + 17024.

It is an arithmetic number, because the mean of its divisors is an integer number (5408160).

Almost surely, 2^79497159 is an apocalyptic number.

79497159 is a deficient number, since it is larger than the sum of its proper divisors (50298681).

79497159 is a wasteful number, since it uses less digits than its factorization.

79497159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28499 (or 28492 counting only the distinct ones).

The product of its digits is 714420, while the sum is 51.

The square root of 79497159 is about 8916.1179332712. The cubic root of 79497159 is about 429.9822581467.

The spelling of 79497159 in words is "seventy-nine million, four hundred ninety-seven thousand, one hundred fifty-nine".