83130899 has 2 divisors, whose sum is σ = 83130900. Its totient is φ = 83130898.

The previous prime is 83130869. The next prime is 83130913. The reversal of 83130899 is 99803138.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83130899 is a prime.

It is not a weakly prime, because it can be changed into another prime (83130829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41565449 + 41565450.

It is an arithmetic number, because the mean of its divisors is an integer number (41565450).

Almost surely, 2^83130899 is an apocalyptic number.

83130899 is a deficient number, since it is larger than the sum of its proper divisors (1).

83130899 is an equidigital number, since it uses as much as digits as its factorization.

83130899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 83130899 is about 9117.6147648384. The cubic root of 83130899 is about 436.4362602308.

The spelling of 83130899 in words is "eighty-three million, one hundred thirty thousand, eight hundred ninety-nine".