89894997763 has 4 divisors (see below), whose sum is σ = 89899607808. Its totient is φ = 89890387720.

The previous prime is 89894997757. The next prime is 89894997781. The reversal of 89894997763 is 36779949898.

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 89894997763 - 2³³ = 81305063171 is a prime.

It is a super-2 number, since 2×89894997763² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89894997713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275648 + ... + 2314813.

It is an arithmetic number, because the mean of its divisors is an integer number (22474901952).

Almost surely, 2^89894997763 is an apocalyptic number.

89894997763 is a deficient number, since it is larger than the sum of its proper divisors (4610045).

89894997763 is a wasteful number, since it uses less digits than its factorization.

89894997763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610044.

The product of its digits is 1481421312, while the sum is 79.

The spelling of 89894997763 in words is "eighty-nine billion, eight hundred ninety-four million, nine hundred ninety-seven thousand, seven hundred sixty-three".