79923544201 has 4 divisors (see below), whose sum is σ = 84624929172. Its totient is φ = 75222159232.

The previous prime is 79923544159. The next prime is 79923544243. The reversal of 79923544201 is 10244532997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10244532997 = 36779 ⋅278543.

It is an interprime number because it is at equal distance from previous prime (79923544159) and next prime (79923544243).

It can be written as a sum of positive squares in 2 ways, for example, as 38602818576 + 41320725625 = 196476^2 + 203275^2 .

It is not a de Polignac number, because 79923544201 - 2⁷ = 79923544073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79923544271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350692460 + ... + 2350692493.

It is an arithmetic number, because the mean of its divisors is an integer number (21156232293).

Almost surely, 2^79923544201 is an apocalyptic number.

It is an amenable number.

79923544201 is a deficient number, since it is larger than the sum of its proper divisors (4701384971).

79923544201 is a wasteful number, since it uses less digits than its factorization.

79923544201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701384970.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 79923544201 in words is "seventy-nine billion, nine hundred twenty-three million, five hundred forty-four thousand, two hundred one".