89259881 has 4 divisors (see below), whose sum is σ = 92139264. Its totient is φ = 86380500.

The previous prime is 89259871. The next prime is 89259889. The reversal of 89259881 is 18895298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89259881 - 2⁶ = 89259817 is a prime.

It is a super-2 number, since 2×89259881² = 15934652712268322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89259889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439645 + ... + 1439706.

It is an arithmetic number, because the mean of its divisors is an integer number (23034816).

Almost surely, 2^89259881 is an apocalyptic number.

It is an amenable number.

89259881 is a deficient number, since it is larger than the sum of its proper divisors (2879383).

89259881 is a wasteful number, since it uses less digits than its factorization.

89259881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879382.

The product of its digits is 414720, while the sum is 50.

The square root of 89259881 is about 9447.7447573482. The cubic root of 89259881 is about 446.9086574548.

The spelling of 89259881 in words is "eighty-nine million, two hundred fifty-nine thousand, eight hundred eighty-one".