79675057697 has 2 divisors, whose sum is σ = 79675057698. Its totient is φ = 79675057696.

The previous prime is 79675057673. The next prime is 79675057723.

79675057697 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65515009681 + 14160048016 = 255959^2 + 118996^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 79675057697 - 2¹⁸ = 79674795553 is a prime.

It is a super-2 number, since 2×79675057697² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79675057667) 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, 39837528848 + 39837528849.

It is an arithmetic number, because the mean of its divisors is an integer number (39837528849).

Almost surely, 2^79675057697 is an apocalyptic number.

It is an amenable number.

79675057697 is a deficient number, since it is larger than the sum of its proper divisors (1).

79675057697 is an equidigital number, since it uses as much as digits as its factorization.

79675057697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175032900, while the sum is 68.

The spelling of 79675057697 in words is "seventy-nine billion, six hundred seventy-five million, fifty-seven thousand, six hundred ninety-seven".