83845855 has 16 divisors (see below), whose sum is σ = 104361984. Its totient is φ = 64599840.

The previous prime is 83845849. The next prime is 83845859. The reversal of 83845855 is 55854838.

It is not a de Polignac number, because 83845855 - 2³ = 83845847 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 (83845859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33994 + ... + 36376.

It is an arithmetic number, because the mean of its divisors is an integer number (6522624).

Almost surely, 2^83845855 is an apocalyptic number.

83845855 is a deficient number, since it is larger than the sum of its proper divisors (20516129).

83845855 is a wasteful number, since it uses less digits than its factorization.

83845855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646.

The product of its digits is 768000, while the sum is 46.

The square root of 83845855 is about 9156.7382293041. The cubic root of 83845855 is about 437.6838606804.

The spelling of 83845855 in words is "eighty-three million, eight hundred forty-five thousand, eight hundred fifty-five".