89662999 has 2 divisors, whose sum is σ = 89663000. Its totient is φ = 89662998.

The previous prime is 89662997. The next prime is 89663003. The reversal of 89662999 is 99926698.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89662999 - 2¹ = 89662997 is a prime.

Together with 89662997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89662997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44831499 + 44831500.

It is an arithmetic number, because the mean of its divisors is an integer number (44831500).

Almost surely, 2^89662999 is an apocalyptic number.

89662999 is a deficient number, since it is larger than the sum of its proper divisors (1).

89662999 is an equidigital number, since it uses as much as digits as its factorization.

89662999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 58.

The square root of 89662999 is about 9469.0548102754. The cubic root of 89662999 is about 447.5804276860.

The spelling of 89662999 in words is "eighty-nine million, six hundred sixty-two thousand, nine hundred ninety-nine".