79134397 has 2 divisors, whose sum is σ = 79134398. Its totient is φ = 79134396.

The previous prime is 79134383. The next prime is 79134401. The reversal of 79134397 is 79343197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77246521 + 1887876 = 8789^2 + 1374^2 .

It is a cyclic number.

It is not a de Polignac number, because 79134397 - 2¹⁹ = 78610109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79134197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39567198 + 39567199.

It is an arithmetic number, because the mean of its divisors is an integer number (39567199).

Almost surely, 2^79134397 is an apocalyptic number.

It is an amenable number.

79134397 is a deficient number, since it is larger than the sum of its proper divisors (1).

79134397 is an equidigital number, since it uses as much as digits as its factorization.

79134397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 79134397 is about 8895.7516264788. The cubic root of 79134397 is about 429.3272280910.

The spelling of 79134397 in words is "seventy-nine million, one hundred thirty-four thousand, three hundred ninety-seven".