79358197 has 2 divisors, whose sum is σ = 79358198. Its totient is φ = 79358196.

The previous prime is 79358189. The next prime is 79358203. The reversal of 79358197 is 79185397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41486481 + 37871716 = 6441^2 + 6154^2 .

It is an emirp because it is prime and its reverse (79185397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79358197 - 2³ = 79358189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79358197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79358597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39679098 + 39679099.

It is an arithmetic number, because the mean of its divisors is an integer number (39679099).

Almost surely, 2^79358197 is an apocalyptic number.

It is an amenable number.

79358197 is a deficient number, since it is larger than the sum of its proper divisors (1).

79358197 is an equidigital number, since it uses as much as digits as its factorization.

79358197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 49.

The square root of 79358197 is about 8908.3217835909. The cubic root of 79358197 is about 429.7315739527.

The spelling of 79358197 in words is "seventy-nine million, three hundred fifty-eight thousand, one hundred ninety-seven".