89668763 has 4 divisors (see below), whose sum is σ = 91855848. Its totient is φ = 87481680.

The previous prime is 89668759. The next prime is 89668781. The reversal of 89668763 is 36786698.

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 89668763 - 2² = 89668759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89668753) 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, 1093481 + ... + 1093562.

It is an arithmetic number, because the mean of its divisors is an integer number (22963962).

Almost surely, 2^89668763 is an apocalyptic number.

89668763 is a deficient number, since it is larger than the sum of its proper divisors (2187085).

89668763 is a wasteful number, since it uses less digits than its factorization.

89668763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187084.

The product of its digits is 2612736, while the sum is 53.

The square root of 89668763 is about 9469.3591652234. The cubic root of 89668763 is about 447.5900184065.

The spelling of 89668763 in words is "eighty-nine million, six hundred sixty-eight thousand, seven hundred sixty-three".