79189297 has 12 divisors (see below), whose sum is σ = 87333120. Its totient is φ = 71750360.

The previous prime is 79189267. The next prime is 79189301. The reversal of 79189297 is 79298197.

It is a de Polignac number, because none of the positive numbers 2^k-79189297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79189237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42528 + ... + 44350.

It is an arithmetic number, because the mean of its divisors is an integer number (7277760).

Almost surely, 2^79189297 is an apocalyptic number.

It is an amenable number.

79189297 is a deficient number, since it is larger than the sum of its proper divisors (8143823).

79189297 is a wasteful number, since it uses less digits than its factorization.

79189297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2193 counting only the distinct ones).

The product of its digits is 571536, while the sum is 52.

The square root of 79189297 is about 8898.8368341037. The cubic root of 79189297 is about 429.4264879880.

Subtracting 79189297 from its reverse (79298197), we obtain a square (108900 = 330²).

The spelling of 79189297 in words is "seventy-nine million, one hundred eighty-nine thousand, two hundred ninety-seven".