89731746775 has 12 divisors (see below), whose sum is σ = 121382581464. Its totient is φ = 65259452000.

The previous prime is 89731746773. The next prime is 89731746791. The reversal of 89731746775 is 57764713798.

It is not a de Polignac number, because 89731746775 - 2¹ = 89731746773 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 (89731746773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163148356 + ... + 163148905.

It is an arithmetic number, because the mean of its divisors is an integer number (10115215122).

Almost surely, 2^89731746775 is an apocalyptic number.

89731746775 is a deficient number, since it is larger than the sum of its proper divisors (31650834689).

89731746775 is a wasteful number, since it uses less digits than its factorization.

89731746775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326297282 (or 326297277 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 64.

The spelling of 89731746775 in words is "eighty-nine billion, seven hundred thirty-one million, seven hundred forty-six thousand, seven hundred seventy-five".