83881843 has 2 divisors, whose sum is σ = 83881844. Its totient is φ = 83881842.

The previous prime is 83881823. The next prime is 83881867. The reversal of 83881843 is 34818838.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83881843 - 2¹³ = 83873651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83881843.

It is not a weakly prime, because it can be changed into another prime (83881823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41940921 + 41940922.

It is an arithmetic number, because the mean of its divisors is an integer number (41940922).

Almost surely, 2^83881843 is an apocalyptic number.

83881843 is a deficient number, since it is larger than the sum of its proper divisors (1).

83881843 is an equidigital number, since it uses as much as digits as its factorization.

83881843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 43.

The square root of 83881843 is about 9158.7031287186. The cubic root of 83881843 is about 437.7464720590.

The spelling of 83881843 in words is "eighty-three million, eight hundred eighty-one thousand, eight hundred forty-three".