83680027 has 2 divisors, whose sum is σ = 83680028. Its totient is φ = 83680026.

The previous prime is 83680007. The next prime is 83680031. The reversal of 83680027 is 72008638.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83680027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83679974 and 83680001.

It is not a weakly prime, because it can be changed into another prime (83680007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41840013 + 41840014.

It is an arithmetic number, because the mean of its divisors is an integer number (41840014).

Almost surely, 2^83680027 is an apocalyptic number.

83680027 is a deficient number, since it is larger than the sum of its proper divisors (1).

83680027 is an equidigital number, since it uses as much as digits as its factorization.

83680027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 83680027 is about 9147.6787766078. The cubic root of 83680027 is about 437.3951239227.

The spelling of 83680027 in words is "eighty-three million, six hundred eighty thousand, twenty-seven".