89544659 has 2 divisors, whose sum is σ = 89544660. Its totient is φ = 89544658.

The previous prime is 89544643. The next prime is 89544673. The reversal of 89544659 is 95644598.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89544659 - 2⁴ = 89544643 is a prime.

It is not a weakly prime, because it can be changed into another prime (89541659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44772329 + 44772330.

It is an arithmetic number, because the mean of its divisors is an integer number (44772330).

Almost surely, 2^89544659 is an apocalyptic number.

89544659 is a deficient number, since it is larger than the sum of its proper divisors (1).

89544659 is an equidigital number, since it uses as much as digits as its factorization.

89544659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 89544659 is about 9462.8039713396. The cubic root of 89544659 is about 447.3834308279.

It can be divided in two parts, 895 and 44659, that added together give a palindrome (45554).

The spelling of 89544659 in words is "eighty-nine million, five hundred forty-four thousand, six hundred fifty-nine".