89873633 has 2 divisors, whose sum is σ = 89873634. Its totient is φ = 89873632.

The previous prime is 89873617. The next prime is 89873653. The reversal of 89873633 is 33637898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82755409 + 7118224 = 9097^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 89873633 - 2⁴ = 89873617 is a prime.

It is not a weakly prime, because it can be changed into another prime (89873653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44936816 + 44936817.

It is an arithmetic number, because the mean of its divisors is an integer number (44936817).

Almost surely, 2^89873633 is an apocalyptic number.

It is an amenable number.

89873633 is a deficient number, since it is larger than the sum of its proper divisors (1).

89873633 is an equidigital number, since it uses as much as digits as its factorization.

89873633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 89873633 is about 9480.1705153441. The cubic root of 89873633 is about 447.9306350541.

The spelling of 89873633 in words is "eighty-nine million, eight hundred seventy-three thousand, six hundred thirty-three".