79199265601 has 2 divisors, whose sum is σ = 79199265602. Its totient is φ = 79199265600.

The previous prime is 79199265599. The next prime is 79199265623. The reversal of 79199265601 is 10656299197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78469455376 + 729810225 = 280124^2 + 27015^2 .

It is a cyclic number.

It is not a de Polignac number, because 79199265601 - 2¹ = 79199265599 is a prime.

Together with 79199265599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79199260601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39599632800 + 39599632801.

It is an arithmetic number, because the mean of its divisors is an integer number (39599632801).

Almost surely, 2^79199265601 is an apocalyptic number.

It is an amenable number.

79199265601 is a deficient number, since it is larger than the sum of its proper divisors (1).

79199265601 is an equidigital number, since it uses as much as digits as its factorization.

79199265601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 79199265601 in words is "seventy-nine billion, one hundred ninety-nine million, two hundred sixty-five thousand, six hundred one".