79991325201 has 4 divisors (see below), whose sum is σ = 106655100272. Its totient is φ = 53327550132.

The previous prime is 79991325187. The next prime is 79991325203. The reversal of 79991325201 is 10252319997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 79991325201 - 2¹⁸ = 79991063057 is a prime.

It is a super-2 number, since 2×79991325201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79991325203) 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, 13331887531 + ... + 13331887536.

It is an arithmetic number, because the mean of its divisors is an integer number (26663775068).

Almost surely, 2^79991325201 is an apocalyptic number.

It is an amenable number.

79991325201 is a deficient number, since it is larger than the sum of its proper divisors (26663775071).

79991325201 is a wasteful number, since it uses less digits than its factorization.

79991325201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26663775070.

The product of its (nonzero) digits is 306180, while the sum is 48.

The spelling of 79991325201 in words is "seventy-nine billion, nine hundred ninety-one million, three hundred twenty-five thousand, two hundred one".