79103197 has 4 divisors (see below), whose sum is σ = 79125660. Its totient is φ = 79080736.

The previous prime is 79103177. The next prime is 79103203. The reversal of 79103197 is 79130197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79130197 = 31 ⋅2552587.

It can be written as a sum of positive squares in 2 ways, for example, as 60621796 + 18481401 = 7786^2 + 4299^2 .

It is a cyclic number.

It is not a de Polignac number, because 79103197 - 2¹¹ = 79101149 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 (79103107) 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, 4672 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (19781415).

Almost surely, 2^79103197 is an apocalyptic number.

It is an amenable number.

79103197 is a deficient number, since it is larger than the sum of its proper divisors (22463).

79103197 is a wasteful number, since it uses less digits than its factorization.

79103197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22462.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 79103197 is about 8893.9978075104. The cubic root of 79103197 is about 429.2707976351.

Subtracting 79103197 from its reverse (79130197), we obtain a cube (27000 = 30³).

The spelling of 79103197 in words is "seventy-nine million, one hundred three thousand, one hundred ninety-seven".