83349899 has 4 divisors (see below), whose sum is σ = 83368464. Its totient is φ = 83331336.

The previous prime is 83349883. The next prime is 83349923. The reversal of 83349899 is 99894338.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83349899 - 2⁴ = 83349883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83349899.

It is not an unprimeable number, because it can be changed into a prime (83349829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (20842116).

Almost surely, 2^83349899 is an apocalyptic number.

83349899 is a deficient number, since it is larger than the sum of its proper divisors (18565).

83349899 is a wasteful number, since it uses less digits than its factorization.

83349899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18564.

The product of its digits is 1679616, while the sum is 53.

The square root of 83349899 is about 9129.6165855966. The cubic root of 83349899 is about 436.8191733361.

It can be divided in two parts, 83349 and 899, that added together give a palindrome (84248).

The spelling of 83349899 in words is "eighty-three million, three hundred forty-nine thousand, eight hundred ninety-nine".