83682691 has 2 divisors, whose sum is σ = 83682692. Its totient is φ = 83682690.

The previous prime is 83682689. The next prime is 83682769. The reversal of 83682691 is 19628638.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83682691 - 2¹ = 83682689 is a prime.

Together with 83682689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83682791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41841345 + 41841346.

It is an arithmetic number, because the mean of its divisors is an integer number (41841346).

Almost surely, 2^83682691 is an apocalyptic number.

83682691 is a deficient number, since it is larger than the sum of its proper divisors (1).

83682691 is an equidigital number, since it uses as much as digits as its factorization.

83682691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 83682691 is about 9147.8243861587. The cubic root of 83682691 is about 437.3997654454.

The spelling of 83682691 in words is "eighty-three million, six hundred eighty-two thousand, six hundred ninety-one".