79750869901 has 2 divisors, whose sum is σ = 79750869902. Its totient is φ = 79750869900.

The previous prime is 79750869883. The next prime is 79750869907. The reversal of 79750869901 is 10996805797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52161992100 + 27588877801 = 228390^2 + 166099^2 .

It is an emirp because it is prime and its reverse (10996805797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79750869901 - 2⁷ = 79750869773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79750869901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79750869907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39875434950 + 39875434951.

It is an arithmetic number, because the mean of its divisors is an integer number (39875434951).

Almost surely, 2^79750869901 is an apocalyptic number.

It is an amenable number.

79750869901 is a deficient number, since it is larger than the sum of its proper divisors (1).

79750869901 is an equidigital number, since it uses as much as digits as its factorization.

79750869901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 61.

The spelling of 79750869901 in words is "seventy-nine billion, seven hundred fifty million, eight hundred sixty-nine thousand, nine hundred one".