83673899 has 2 divisors, whose sum is σ = 83673900. Its totient is φ = 83673898.

The previous prime is 83673833. The next prime is 83673917. The reversal of 83673899 is 99837638.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83673899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83673899.

It is not a weakly prime, because it can be changed into another prime (83673809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41836949 + 41836950.

It is an arithmetic number, because the mean of its divisors is an integer number (41836950).

Almost surely, 2^83673899 is an apocalyptic number.

83673899 is a deficient number, since it is larger than the sum of its proper divisors (1).

83673899 is an equidigital number, since it uses as much as digits as its factorization.

83673899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 83673899 is about 9147.3438221158. The cubic root of 83673899 is about 437.3844466526.

The spelling of 83673899 in words is "eighty-three million, six hundred seventy-three thousand, eight hundred ninety-nine".