79201223251 has 2 divisors, whose sum is σ = 79201223252. Its totient is φ = 79201223250.

The previous prime is 79201223201. The next prime is 79201223267. The reversal of 79201223251 is 15232210297.

It is a strong prime.

It is an emirp because it is prime and its reverse (15232210297) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79201223251 is a prime.

It is not a weakly prime, because it can be changed into another prime (79201223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39600611625 + 39600611626.

It is an arithmetic number, because the mean of its divisors is an integer number (39600611626).

Almost surely, 2^79201223251 is an apocalyptic number.

79201223251 is a deficient number, since it is larger than the sum of its proper divisors (1).

79201223251 is an equidigital number, since it uses as much as digits as its factorization.

79201223251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 79201223251 in words is "seventy-nine billion, two hundred one million, two hundred twenty-three thousand, two hundred fifty-one".