89161808 has 20 divisors (see below), whose sum is σ = 172974048. Its totient is φ = 44523360.

The previous prime is 89161789. The next prime is 89161817. The reversal of 89161808 is 80816198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10973 + ... + 17283.

Almost surely, 2^89161808 is an apocalyptic number.

It is an amenable number.

89161808 is a deficient number, since it is larger than the sum of its proper divisors (83812240).

89161808 is a wasteful number, since it uses less digits than its factorization.

89161808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202 (or 7196 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 89161808 is about 9442.5530445955. The cubic root of 89161808 is about 446.7449193361.

The spelling of 89161808 in words is "eighty-nine million, one hundred sixty-one thousand, eight hundred eight".