89176489 has 2 divisors, whose sum is σ = 89176490. Its totient is φ = 89176488.

The previous prime is 89176469. The next prime is 89176499. The reversal of 89176489 is 98467198.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69222400 + 19954089 = 8320^2 + 4467^2 .

It is a cyclic number.

It is not a de Polignac number, because 89176489 - 2⁷ = 89176361 is a prime.

It is not a weakly prime, because it can be changed into another prime (89176469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44588244 + 44588245.

It is an arithmetic number, because the mean of its divisors is an integer number (44588245).

Almost surely, 2^89176489 is an apocalyptic number.

It is an amenable number.

89176489 is a deficient number, since it is larger than the sum of its proper divisors (1).

89176489 is an equidigital number, since it uses as much as digits as its factorization.

89176489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The square root of 89176489 is about 9443.3303976934. The cubic root of 89176489 is about 446.7694376898.

The spelling of 89176489 in words is "eighty-nine million, one hundred seventy-six thousand, four hundred eighty-nine".