79235766529 has 2 divisors, whose sum is σ = 79235766530. Its totient is φ = 79235766528.

The previous prime is 79235766523. The next prime is 79235766607. The reversal of 79235766529 is 92566753297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61776108304 + 17459658225 = 248548^2 + 132135^2 .

It is a cyclic number.

It is not a de Polignac number, because 79235766529 - 2¹⁵ = 79235733761 is a prime.

It is not a weakly prime, because it can be changed into another prime (79235766523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39617883264 + 39617883265.

It is an arithmetic number, because the mean of its divisors is an integer number (39617883265).

Almost surely, 2^79235766529 is an apocalyptic number.

It is an amenable number.

79235766529 is a deficient number, since it is larger than the sum of its proper divisors (1).

79235766529 is an equidigital number, since it uses as much as digits as its factorization.

79235766529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42865200, while the sum is 61.

The spelling of 79235766529 in words is "seventy-nine billion, two hundred thirty-five million, seven hundred sixty-six thousand, five hundred twenty-nine".