83331868 has 24 divisors (see below), whose sum is σ = 147969360. Its totient is φ = 41059200.

The previous prime is 83331863. The next prime is 83331869. The reversal of 83331868 is 86813338.

It is a self number, because there is not a number n which added to its sum of digits gives 83331868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83331863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126123 + ... + 126781.

It is an arithmetic number, because the mean of its divisors is an integer number (6165390).

Almost surely, 2^83331868 is an apocalyptic number.

It is an amenable number.

83331868 is a deficient number, since it is larger than the sum of its proper divisors (64637492).

83331868 is a wasteful number, since it uses less digits than its factorization.

83331868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 83331868 is about 9128.6290317879. The cubic root of 83331868 is about 436.7876721800.

It can be divided in two parts, 8333 and 1868, that added together give a palindrome (10201).

The spelling of 83331868 in words is "eighty-three million, three hundred thirty-one thousand, eight hundred sixty-eight".