83328719 has 2 divisors, whose sum is σ = 83328720. Its totient is φ = 83328718.

The previous prime is 83328689. The next prime is 83328731. The reversal of 83328719 is 91782338.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83328719 - 2¹² = 83324623 is a prime.

It is a super-2 number, since 2×83328719² = 13887350820361922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83328779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41664359 + 41664360.

It is an arithmetic number, because the mean of its divisors is an integer number (41664360).

Almost surely, 2^83328719 is an apocalyptic number.

83328719 is a deficient number, since it is larger than the sum of its proper divisors (1).

83328719 is an equidigital number, since it uses as much as digits as its factorization.

83328719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 83328719 is about 9128.4565508086. The cubic root of 83328719 is about 436.7821702364.

The spelling of 83328719 in words is "eighty-three million, three hundred twenty-eight thousand, seven hundred nineteen".