89418261893 has 4 divisors (see below), whose sum is σ = 89792397120. Its totient is φ = 89044126668.

The previous prime is 89418261883. The next prime is 89418261913. The reversal of 89418261893 is 39816281498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89418261893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89418261853) 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, 187067255 + ... + 187067732.

It is an arithmetic number, because the mean of its divisors is an integer number (22448099280).

Almost surely, 2^89418261893 is an apocalyptic number.

It is an amenable number.

89418261893 is a deficient number, since it is larger than the sum of its proper divisors (374135227).

89418261893 is a wasteful number, since it uses less digits than its factorization.

89418261893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374135226.

The product of its digits is 5971968, while the sum is 59.

The spelling of 89418261893 in words is "eighty-nine billion, four hundred eighteen million, two hundred sixty-one thousand, eight hundred ninety-three".