83719 has 2 divisors, whose sum is σ = 83720. Its totient is φ = 83718.

The previous prime is 83717. The next prime is 83737. The reversal of 83719 is 91738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83719 - 2¹ = 83717 is a prime.

It is a super-2 number, since 2×83719² = 14017741922, which contains 22 as substring.

Together with 83717, it forms a pair of twin primes.

83719 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41859 + 41860.

It is an arithmetic number, because the mean of its divisors is an integer number (41860).

2⁸³⁷¹⁹ is an apocalyptic number.

83719 is a deficient number, since it is larger than the sum of its proper divisors (1).

83719 is an equidigital number, since it uses as much as digits as its factorization.

83719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

The square root of 83719 is about 289.3423577702. The cubic root of 83719 is about 43.7463017282.

The spelling of 83719 in words is "eighty-three thousand, seven hundred nineteen".