89085807 has 6 divisors (see below), whose sum is σ = 128679512. Its totient is φ = 59390532.

The previous prime is 89085781. The next prime is 89085823. The reversal of 89085807 is 70858098.

It is not a de Polignac number, because 89085807 - 2¹⁸ = 88823663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89085407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4949203 + ... + 4949220.

Almost surely, 2^89085807 is an apocalyptic number.

89085807 is a deficient number, since it is larger than the sum of its proper divisors (39593705).

89085807 is a wasteful number, since it uses less digits than its factorization.

89085807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898429 (or 9898426 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 89085807 is about 9438.5277983380. The cubic root of 89085807 is about 446.6179490070.

The spelling of 89085807 in words is "eighty-nine million, eighty-five thousand, eight hundred seven".