79007751961 has 2 divisors, whose sum is σ = 79007751962. Its totient is φ = 79007751960.

The previous prime is 79007751917. The next prime is 79007751967. The reversal of 79007751961 is 16915770097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43881870400 + 35125881561 = 209480^2 + 187419^2 .

It is a cyclic number.

It is not a de Polignac number, because 79007751961 - 2⁷ = 79007751833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79007751899 and 79007751908.

It is not a weakly prime, because it can be changed into another prime (79007751967) 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, 39503875980 + 39503875981.

It is an arithmetic number, because the mean of its divisors is an integer number (39503875981).

Almost surely, 2^79007751961 is an apocalyptic number.

It is an amenable number.

79007751961 is a deficient number, since it is larger than the sum of its proper divisors (1).

79007751961 is an equidigital number, since it uses as much as digits as its factorization.

79007751961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 833490, while the sum is 52.

The spelling of 79007751961 in words is "seventy-nine billion, seven million, seven hundred fifty-one thousand, nine hundred sixty-one".