89288881 has 16 divisors (see below), whose sum is σ = 101341440. Its totient is φ = 77950080.

The previous prime is 89288869. The next prime is 89288887. The reversal of 89288881 is 18888298.

It is a cyclic number.

It is not a de Polignac number, because 89288881 - 2¹⁹ = 88764593 is a prime.

It is a super-2 number, since 2×89288881² = 15945008540464322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89288887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30765 + ... + 33541.

It is an arithmetic number, because the mean of its divisors is an integer number (6333840).

Almost surely, 2^89288881 is an apocalyptic number.

It is an amenable number.

89288881 is a deficient number, since it is larger than the sum of its proper divisors (12052559).

89288881 is a wasteful number, since it uses less digits than its factorization.

89288881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its digits is 589824, while the sum is 52.

The square root of 89288881 is about 9449.2793905144. The cubic root of 89288881 is about 446.9570515284.

The spelling of 89288881 in words is "eighty-nine million, two hundred eighty-eight thousand, eight hundred eighty-one".