89941233913867 has 4 divisors (see below), whose sum is σ = 102789981615856. Its totient is φ = 77092486211880.

The previous prime is 89941233913841. The next prime is 89941233913873. The reversal of 89941233913867 is 76831933214998.

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

It is a cyclic number.

It is not a de Polignac number, because 89941233913867 - 2²³ = 89941225525259 is a prime.

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 89941233913867.

It is not an unprimeable number, because it can be changed into a prime (89941233913877) 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 3 ways as a sum of consecutive naturals, for example, 6424373850984 + ... + 6424373850997.

It is an arithmetic number, because the mean of its divisors is an integer number (25697495403964).

Almost surely, 2^{89941233913867} is an apocalyptic number.

89941233913867 is a deficient number, since it is larger than the sum of its proper divisors (12848747701989).

89941233913867 is a wasteful number, since it uses less digits than its factorization.

89941233913867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12848747701988.

The product of its digits is 423263232, while the sum is 73.

The spelling of 89941233913867 in words is "eighty-nine trillion, nine hundred forty-one billion, two hundred thirty-three million, nine hundred thirteen thousand, eight hundred sixty-seven".