83443768 has 8 divisors (see below), whose sum is σ = 156457080. Its totient is φ = 41721880.

The previous prime is 83443739. The next prime is 83443777. The reversal of 83443768 is 86734438.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215228 + ... + 5215243.

It is an arithmetic number, because the mean of its divisors is an integer number (19557135).

Almost surely, 2^83443768 is an apocalyptic number.

It is an amenable number.

83443768 is a deficient number, since it is larger than the sum of its proper divisors (73013312).

83443768 is a wasteful number, since it uses less digits than its factorization.

83443768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430477 (or 10430473 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 83443768 is about 9134.7560449089. The cubic root of 83443768 is about 436.9830943335.

The spelling of 83443768 in words is "eighty-three million, four hundred forty-three thousand, seven hundred sixty-eight".