79089898097 has 6 divisors (see below), whose sum is σ = 92002534578. Its totient is φ = 67791341184.

The previous prime is 79089898051. The next prime is 79089898183.

79089898097 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 78780701041 + 309197056 = 280679^2 + 17584^2 .

It is not a de Polignac number, because 79089898097 - 2²⁶ = 79022789233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79089898397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 807039728 + ... + 807039825.

It is an arithmetic number, because the mean of its divisors is an integer number (15333755763).

Almost surely, 2^79089898097 is an apocalyptic number.

It is an amenable number.

79089898097 is a deficient number, since it is larger than the sum of its proper divisors (12912636481).

79089898097 is a wasteful number, since it uses less digits than its factorization.

79089898097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614079567 (or 1614079560 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 74.

The spelling of 79089898097 in words is "seventy-nine billion, eighty-nine million, eight hundred ninety-eight thousand, ninety-seven".