89599774873861 has 8 divisors (see below), whose sum is σ = 102445847972864. Its totient is φ = 76765228089840.

The previous prime is 89599774873759. The next prime is 89599774873891. The reversal of 89599774873861 is 16837847799598.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89599774873861 is a prime.

It is a super-2 number, since 2×89599774873861² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89599774873891) 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, 2881562085 + ... + 2881593178.

It is an arithmetic number, because the mean of its divisors is an integer number (12805730996608).

Almost surely, 2^{89599774873861} is an apocalyptic number.

It is an amenable number.

89599774873861 is a deficient number, since it is larger than the sum of its proper divisors (12846073099003).

89599774873861 is a wasteful number, since it uses less digits than its factorization.

89599774873861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763157491.

The product of its digits is 46088663040, while the sum is 91.

The spelling of 89599774873861 in words is "eighty-nine trillion, five hundred ninety-nine billion, seven hundred seventy-four million, eight hundred seventy-three thousand, eight hundred sixty-one".