89125881 has 8 divisors (see below), whose sum is σ = 127975680. Its totient is φ = 54846672.

The previous prime is 89125877. The next prime is 89125889. The reversal of 89125881 is 18852198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89125881 - 2² = 89125877 is a prime.

It is a super-2 number, since 2×89125881² = 15886845328052322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89125889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142601 + ... + 1142678.

It is an arithmetic number, because the mean of its divisors is an integer number (15996960).

Almost surely, 2^89125881 is an apocalyptic number.

It is an amenable number.

89125881 is a deficient number, since it is larger than the sum of its proper divisors (38849799).

89125881 is a wasteful number, since it uses less digits than its factorization.

89125881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285295.

The product of its digits is 46080, while the sum is 42.

The square root of 89125881 is about 9440.6504542854. The cubic root of 89125881 is about 446.6849072400.

The spelling of 89125881 in words is "eighty-nine million, one hundred twenty-five thousand, eight hundred eighty-one".