89869673 has 2 divisors, whose sum is σ = 89869674. Its totient is φ = 89869672.

The previous prime is 89869657. The next prime is 89869711. The reversal of 89869673 is 37696898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76090729 + 13778944 = 8723^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 89869673 - 2⁴ = 89869657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89869573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44934836 + 44934837.

It is an arithmetic number, because the mean of its divisors is an integer number (44934837).

Almost surely, 2^89869673 is an apocalyptic number.

It is an amenable number.

89869673 is a deficient number, since it is larger than the sum of its proper divisors (1).

89869673 is an equidigital number, since it uses as much as digits as its factorization.

89869673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 89869673 is about 9479.9616560406. The cubic root of 89869673 is about 447.9240560709.

The spelling of 89869673 in words is "eighty-nine million, eight hundred sixty-nine thousand, six hundred seventy-three".