89889867 has 12 divisors (see below), whose sum is σ = 130382824. Its totient is φ = 59676480.

The previous prime is 89889857. The next prime is 89889871. The reversal of 89889867 is 76898898.

It is not a de Polignac number, because 89889867 - 2¹⁶ = 89824331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89889827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18553 + ... + 22890.

Almost surely, 2^89889867 is an apocalyptic number.

89889867 is a deficient number, since it is larger than the sum of its proper divisors (40492957).

89889867 is a wasteful number, since it uses less digits than its factorization.

89889867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41690 (or 41687 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 89889867 is about 9481.0266849113. The cubic root of 89889867 is about 447.9576035427.

The spelling of 89889867 in words is "eighty-nine million, eight hundred eighty-nine thousand, eight hundred sixty-seven".