83330899 has 2 divisors, whose sum is σ = 83330900. Its totient is φ = 83330898.

The previous prime is 83330879. The next prime is 83330911. The reversal of 83330899 is 99803338.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83330899 - 2⁵ = 83330867 is a prime.

It is not a weakly prime, because it can be changed into another prime (83330839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41665449 + 41665450.

It is an arithmetic number, because the mean of its divisors is an integer number (41665450).

Almost surely, 2^83330899 is an apocalyptic number.

83330899 is a deficient number, since it is larger than the sum of its proper divisors (1).

83330899 is an equidigital number, since it uses as much as digits as its factorization.

83330899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 83330899 is about 9128.5759568511. The cubic root of 83330899 is about 436.7859791546.

The spelling of 83330899 in words is "eighty-three million, three hundred thirty thousand, eight hundred ninety-nine".