79267997 has 2 divisors, whose sum is σ = 79267998. Its totient is φ = 79267996.

The previous prime is 79267987. The next prime is 79268003. The reversal of 79267997 is 79976297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74200996 + 5067001 = 8614^2 + 2251^2 .

It is an emirp because it is prime and its reverse (79976297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79267997 - 2¹⁰ = 79266973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79267907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39633998 + 39633999.

It is an arithmetic number, because the mean of its divisors is an integer number (39633999).

Almost surely, 2^79267997 is an apocalyptic number.

It is an amenable number.

79267997 is a deficient number, since it is larger than the sum of its proper divisors (1).

79267997 is an equidigital number, since it uses as much as digits as its factorization.

79267997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 56.

The square root of 79267997 is about 8903.2576622268. The cubic root of 79267997 is about 429.5686985997.

The spelling of 79267997 in words is "seventy-nine million, two hundred sixty-seven thousand, nine hundred ninety-seven".