79445254497 has 8 divisors (see below), whose sum is σ = 121059435456. Its totient is φ = 45397288272.

The previous prime is 79445254429. The next prime is 79445254513.

79445254497 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79445254497 - 2²⁰ = 79444205921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79445254497.

It is not an unprimeable number, because it can be changed into a prime (79445254297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891553658 + ... + 1891553699.

It is an arithmetic number, because the mean of its divisors is an integer number (15132429432).

Almost surely, 2^79445254497 is an apocalyptic number.

It is an amenable number.

79445254497 is a deficient number, since it is larger than the sum of its proper divisors (41614180959).

79445254497 is a wasteful number, since it uses less digits than its factorization.

79445254497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783107367.

The product of its digits is 50803200, while the sum is 60.

The spelling of 79445254497 in words is "seventy-nine billion, four hundred forty-five million, two hundred fifty-four thousand, four hundred ninety-seven".