89911763 has 4 divisors (see below), whose sum is σ = 89985000. Its totient is φ = 89838528.

The previous prime is 89911721. The next prime is 89911769. The reversal of 89911763 is 36711998.

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 89911763 - 2¹⁶ = 89846227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89911769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34745 + ... + 37242.

It is an arithmetic number, because the mean of its divisors is an integer number (22496250).

Almost surely, 2^89911763 is an apocalyptic number.

89911763 is a deficient number, since it is larger than the sum of its proper divisors (73237).

89911763 is a wasteful number, since it uses less digits than its factorization.

89911763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73236.

The product of its digits is 81648, while the sum is 44.

The square root of 89911763 is about 9482.1813418643. The cubic root of 89911763 is about 447.9939728010.

The spelling of 89911763 in words is "eighty-nine million, nine hundred eleven thousand, seven hundred sixty-three".