79748640233 has 2 divisors, whose sum is σ = 79748640234. Its totient is φ = 79748640232.

The previous prime is 79748640221. The next prime is 79748640269. The reversal of 79748640233 is 33204684797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42434764009 + 37313876224 = 205997^2 + 193168^2 .

It is a cyclic number.

It is not a de Polignac number, because 79748640233 - 2⁴ = 79748640217 is a prime.

It is not a weakly prime, because it can be changed into another prime (79748640533) 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, 39874320116 + 39874320117.

It is an arithmetic number, because the mean of its divisors is an integer number (39874320117).

Almost surely, 2^79748640233 is an apocalyptic number.

It is an amenable number.

79748640233 is a deficient number, since it is larger than the sum of its proper divisors (1).

79748640233 is an equidigital number, since it uses as much as digits as its factorization.

79748640233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 79748640233 in words is "seventy-nine billion, seven hundred forty-eight million, six hundred forty thousand, two hundred thirty-three".