83881099 has 2 divisors, whose sum is σ = 83881100. Its totient is φ = 83881098.

The previous prime is 83881093. The next prime is 83881117. The reversal of 83881099 is 99018838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83881099 - 2⁷ = 83880971 is a prime.

It is not a weakly prime, because it can be changed into another prime (83881093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41940549 + 41940550.

It is an arithmetic number, because the mean of its divisors is an integer number (41940550).

Almost surely, 2^83881099 is an apocalyptic number.

83881099 is a deficient number, since it is larger than the sum of its proper divisors (1).

83881099 is an equidigital number, since it uses as much as digits as its factorization.

83881099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 83881099 is about 9158.6625115243. The cubic root of 83881099 is about 437.7451778404.

The spelling of 83881099 in words is "eighty-three million, eight hundred eighty-one thousand, ninety-nine".