89965786 has 4 divisors (see below), whose sum is σ = 134948682. Its totient is φ = 44982892.

The previous prime is 89965783. The next prime is 89965787. The reversal of 89965786 is 68756998.

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

It can be written as a sum of positive squares in only one way, i.e., 63123025 + 26842761 = 7945^2 + 5181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89965786.

It is not an unprimeable number, because it can be changed into a prime (89965781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22491445 + ... + 22491448.

Almost surely, 2^89965786 is an apocalyptic number.

89965786 is a deficient number, since it is larger than the sum of its proper divisors (44982896).

89965786 is a wasteful number, since it uses less digits than its factorization.

89965786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982895.

The product of its digits is 6531840, while the sum is 58.

The square root of 89965786 is about 9485.0295729639. The cubic root of 89965786 is about 448.0836797611.

The spelling of 89965786 in words is "eighty-nine million, nine hundred sixty-five thousand, seven hundred eighty-six".