89919833 has 2 divisors, whose sum is σ = 89919834. Its totient is φ = 89919832.

The previous prime is 89919821. The next prime is 89919881. The reversal of 89919833 is 33891998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 13741849 = 8728^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 89919833 - 2⁶ = 89919769 is a prime.

It is not a weakly prime, because it can be changed into another prime (89919803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44959916 + 44959917.

It is an arithmetic number, because the mean of its divisors is an integer number (44959917).

Almost surely, 2^89919833 is an apocalyptic number.

It is an amenable number.

89919833 is a deficient number, since it is larger than the sum of its proper divisors (1).

89919833 is an equidigital number, since it uses as much as digits as its factorization.

89919833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 50.

The square root of 89919833 is about 9482.6068673124. The cubic root of 89919833 is about 448.0073755828.

The spelling of 89919833 in words is "eighty-nine million, nine hundred nineteen thousand, eight hundred thirty-three".