83418851 has 2 divisors, whose sum is σ = 83418852. Its totient is φ = 83418850.

The previous prime is 83418821. The next prime is 83418857. The reversal of 83418851 is 15881438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83418851 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (83418857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41709425 + 41709426.

It is an arithmetic number, because the mean of its divisors is an integer number (41709426).

Almost surely, 2^83418851 is an apocalyptic number.

83418851 is a deficient number, since it is larger than the sum of its proper divisors (1).

83418851 is an equidigital number, since it uses as much as digits as its factorization.

83418851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 83418851 is about 9133.3920861857. The cubic root of 83418851 is about 436.9395944134.

The spelling of 83418851 in words is "eighty-three million, four hundred eighteen thousand, eight hundred fifty-one".