83445383 has 16 divisors (see below), whose sum is σ = 100680000. Its totient is φ = 69050016.

The previous prime is 83445371. The next prime is 83445389. The reversal of 83445383 is 38354438.

It is not a de Polignac number, because 83445383 - 2⁶ = 83445319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83445389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5753 + ... + 14141.

It is an arithmetic number, because the mean of its divisors is an integer number (6292500).

Almost surely, 2^83445383 is an apocalyptic number.

83445383 is a deficient number, since it is larger than the sum of its proper divisors (17234617).

83445383 is an equidigital number, since it uses as much as digits as its factorization.

83445383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439 (or 8425 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 83445383 is about 9134.8444431200. The cubic root of 83445383 is about 436.9859134901.

The spelling of 83445383 in words is "eighty-three million, four hundred forty-five thousand, three hundred eighty-three".