89941233913865 has 4 divisors (see below), whose sum is σ = 107929480696644. Its totient is φ = 71952987131088.

The previous prime is 89941233913841. The next prime is 89941233913873. The reversal of 89941233913865 is 56831933214998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23841423341824 + 66099810572041 = 4882768^2 + 8130179^2 .

It is a cyclic number.

It is not a de Polignac number, because 89941233913865 - 2¹⁶ = 89941233848329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8994123391382 + ... + 8994123391391.

It is an arithmetic number, because the mean of its divisors is an integer number (26982370174161).

Almost surely, 2^{89941233913865} is an apocalyptic number.

It is an amenable number.

89941233913865 is a deficient number, since it is larger than the sum of its proper divisors (17988246782779).

89941233913865 is a wasteful number, since it uses less digits than its factorization.

89941233913865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17988246782778.

The product of its digits is 302330880, while the sum is 71.

The spelling of 89941233913865 in words is "eighty-nine trillion, nine hundred forty-one billion, two hundred thirty-three million, nine hundred thirteen thousand, eight hundred sixty-five".