89966759 has 4 divisors (see below), whose sum is σ = 90044760. Its totient is φ = 89888760.

The previous prime is 89966749. The next prime is 89966761. The reversal of 89966759 is 95766998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89966759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89966698 and 89966707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89966749) 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, 37244 + ... + 39585.

It is an arithmetic number, because the mean of its divisors is an integer number (22511190).

Almost surely, 2^89966759 is an apocalyptic number.

89966759 is a deficient number, since it is larger than the sum of its proper divisors (78001).

89966759 is a wasteful number, since it uses less digits than its factorization.

89966759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78000.

The product of its digits is 7348320, while the sum is 59.

The square root of 89966759 is about 9485.0808641782. The cubic root of 89966759 is about 448.0852951302.

The spelling of 89966759 in words is "eighty-nine million, nine hundred sixty-six thousand, seven hundred fifty-nine".