83119639 has 2 divisors, whose sum is σ = 83119640. Its totient is φ = 83119638.

The previous prime is 83119607. The next prime is 83119657. The reversal of 83119639 is 93691138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83119639 - 2⁵ = 83119607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83119039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41559819 + 41559820.

It is an arithmetic number, because the mean of its divisors is an integer number (41559820).

Almost surely, 2^83119639 is an apocalyptic number.

83119639 is a deficient number, since it is larger than the sum of its proper divisors (1).

83119639 is an equidigital number, since it uses as much as digits as its factorization.

83119639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 83119639 is about 9116.9972578695. The cubic root of 83119639 is about 436.4165543844.

The spelling of 83119639 in words is "eighty-three million, one hundred nineteen thousand, six hundred thirty-nine".