83889319 has 2 divisors, whose sum is σ = 83889320. Its totient is φ = 83889318.

The previous prime is 83889283. The next prime is 83889329. The reversal of 83889319 is 91398838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83889319 - 2¹⁷ = 83758247 is a prime.

It is a super-2 number, since 2×83889319² = 14074835684567522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83889329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41944659 + 41944660.

It is an arithmetic number, because the mean of its divisors is an integer number (41944660).

Almost surely, 2^83889319 is an apocalyptic number.

83889319 is a deficient number, since it is larger than the sum of its proper divisors (1).

83889319 is an equidigital number, since it uses as much as digits as its factorization.

83889319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 83889319 is about 9159.1112560117. Note that the first 3 decimals coincide. The cubic root of 83889319 is about 437.7594764443.

The spelling of 83889319 in words is "eighty-three million, eight hundred eighty-nine thousand, three hundred nineteen".