89623199 has 2 divisors, whose sum is σ = 89623200. Its totient is φ = 89623198.

The previous prime is 89623123. The next prime is 89623207. The reversal of 89623199 is 99132698.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89623199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89623109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44811599 + 44811600.

It is an arithmetic number, because the mean of its divisors is an integer number (44811600).

Almost surely, 2^89623199 is an apocalyptic number.

89623199 is a deficient number, since it is larger than the sum of its proper divisors (1).

89623199 is an equidigital number, since it uses as much as digits as its factorization.

89623199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 47.

The square root of 89623199 is about 9466.9529944962. The cubic root of 89623199 is about 447.5141932392.

The spelling of 89623199 in words is "eighty-nine million, six hundred twenty-three thousand, one hundred ninety-nine".