89475581 has 8 divisors (see below), whose sum is σ = 96445440. Its totient is φ = 82518192.

The previous prime is 89475569. The next prime is 89475601. The reversal of 89475581 is 18557498.

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

It is a cyclic number.

It is not a de Polignac number, because 89475581 - 2¹⁴ = 89459197 is a prime.

It is a super-2 number, since 2×89475581² = 16011759190575122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89475511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16316 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (12055680).

Almost surely, 2^89475581 is an apocalyptic number.

It is an amenable number.

89475581 is a deficient number, since it is larger than the sum of its proper divisors (6969859).

89475581 is a wasteful number, since it uses less digits than its factorization.

89475581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235.

The product of its digits is 403200, while the sum is 47.

The square root of 89475581 is about 9459.1532919178. The cubic root of 89475581 is about 447.2683586271.

The spelling of 89475581 in words is "eighty-nine million, four hundred seventy-five thousand, five hundred eighty-one".