79669263959 has 2 divisors, whose sum is σ = 79669263960. Its totient is φ = 79669263958.

The previous prime is 79669263929. The next prime is 79669263977. The reversal of 79669263959 is 95936296697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79669263959 - 2¹² = 79669259863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79669263892 and 79669263901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79669263929) 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, 39834631979 + 39834631980.

It is an arithmetic number, because the mean of its divisors is an integer number (39834631980).

Almost surely, 2^79669263959 is an apocalyptic number.

79669263959 is a deficient number, since it is larger than the sum of its proper divisors (1).

79669263959 is an equidigital number, since it uses as much as digits as its factorization.

79669263959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 297606960, while the sum is 71.

The spelling of 79669263959 in words is "seventy-nine billion, six hundred sixty-nine million, two hundred sixty-three thousand, nine hundred fifty-nine".