83889168 has 40 divisors (see below), whose sum is σ = 236416416. Its totient is φ = 25420800.

The previous prime is 83889167. The next prime is 83889181. The reversal of 83889168 is 86198838.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83889168.

It is not an unprimeable number, because it can be changed into a prime (83889163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78913 + ... + 79968.

Almost surely, 2^83889168 is an apocalyptic number.

83889168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

83889168 is an abundant number, since it is smaller than the sum of its proper divisors (152527248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83889168 is a wasteful number, since it uses less digits than its factorization.

83889168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158903 (or 158897 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 83889168 is about 9159.1030128501. The cubic root of 83889168 is about 437.7592137898.

The spelling of 83889168 in words is "eighty-three million, eight hundred eighty-nine thousand, one hundred sixty-eight".