89808387 has 8 divisors (see below), whose sum is σ = 121090320. Its totient is φ = 59199360.

The previous prime is 89808379. The next prime is 89808401. The reversal of 89808387 is 78380898.

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

It is not a de Polignac number, because 89808387 - 2³ = 89808379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89808347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167914 + ... + 168447.

It is an arithmetic number, because the mean of its divisors is an integer number (15136290).

Almost surely, 2^89808387 is an apocalyptic number.

89808387 is a deficient number, since it is larger than the sum of its proper divisors (31281933).

89808387 is a wasteful number, since it uses less digits than its factorization.

89808387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336453.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 89808387 is about 9476.7287077345. The cubic root of 89808387 is about 447.8222133496.

The spelling of 89808387 in words is "eighty-nine million, eight hundred eight thousand, three hundred eighty-seven".