79885858897 has 8 divisors (see below), whose sum is σ = 86708335616. Its totient is φ = 73160155152.

The previous prime is 79885858861. The next prime is 79885858901.

79885858897 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 79885858897 - 2⁷ = 79885858769 is a prime.

It is a super-2 number, since 2×79885858897² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79885858897.

It is not an unprimeable number, because it can be changed into a prime (79885858697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24191523 + ... + 24194824.

It is an arithmetic number, because the mean of its divisors is an integer number (10838541952).

Almost surely, 2^79885858897 is an apocalyptic number.

It is an amenable number.

79885858897 is a deficient number, since it is larger than the sum of its proper divisors (6822476719).

79885858897 is a wasteful number, since it uses less digits than its factorization.

79885858897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48386487.

The product of its digits is 3251404800, while the sum is 82.

The spelling of 79885858897 in words is "seventy-nine billion, eight hundred eighty-five million, eight hundred fifty-eight thousand, eight hundred ninety-seven".