89111250 has 90 divisors (see below), whose sum is σ = 244007049. Its totient is φ = 23496000.

The previous prime is 89111227. The next prime is 89111251. The reversal of 89111250 is 5211198.

It can be written as a sum of positive squares in 8 ways, for example, as 29713401 + 59397849 = 5451^2 + 7707^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6675.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89111251) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1001206 + ... + 1001294.

Almost surely, 2^89111250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89111250

89111250 is an abundant number, since it is smaller than the sum of its proper divisors (154895799).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89111250 is an equidigital number, since it uses as much as digits as its factorization.

89111250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 89111250 is about 9439.8755288404. The cubic root of 89111250 is about 446.6604631450.

The spelling of 89111250 in words is "eighty-nine million, one hundred eleven thousand, two hundred fifty".