79923297 has 4 divisors (see below), whose sum is σ = 106564400. Its totient is φ = 53282196.

The previous prime is 79923287. The next prime is 79923299. The reversal of 79923297 is 79232997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79232997 = 3 ⋅26410999.

It is not a de Polignac number, because 79923297 - 2⁴ = 79923281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79923299) 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, 13320547 + ... + 13320552.

It is an arithmetic number, because the mean of its divisors is an integer number (26641100).

Almost surely, 2^79923297 is an apocalyptic number.

It is an amenable number.

79923297 is a deficient number, since it is larger than the sum of its proper divisors (26641103).

79923297 is a wasteful number, since it uses less digits than its factorization.

79923297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26641102.

The product of its digits is 428652, while the sum is 48.

The square root of 79923297 is about 8939.9830536752. The cubic root of 79923297 is about 430.7491843015.

The spelling of 79923297 in words is "seventy-nine million, nine hundred twenty-three thousand, two hundred ninety-seven".