89883569 has 2 divisors, whose sum is σ = 89883570. Its totient is φ = 89883568.

The previous prime is 89883559. The next prime is 89883581. The reversal of 89883569 is 96538898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85803169 + 4080400 = 9263^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 89883569 - 2⁴ = 89883553 is a prime.

It is a super-2 number, since 2×89883569² = 16158111952355522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89883529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44941784 + 44941785.

It is an arithmetic number, because the mean of its divisors is an integer number (44941785).

Almost surely, 2^89883569 is an apocalyptic number.

It is an amenable number.

89883569 is a deficient number, since it is larger than the sum of its proper divisors (1).

89883569 is an equidigital number, since it uses as much as digits as its factorization.

89883569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 56.

The square root of 89883569 is about 9480.6945420681. The cubic root of 89883569 is about 447.9471414703.

The spelling of 89883569 in words is "eighty-nine million, eight hundred eighty-three thousand, five hundred sixty-nine".