83806867 has 2 divisors, whose sum is σ = 83806868. Its totient is φ = 83806866.

The previous prime is 83806861. The next prime is 83806903. The reversal of 83806867 is 76860838.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83806867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83806861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41903433 + 41903434.

It is an arithmetic number, because the mean of its divisors is an integer number (41903434).

Almost surely, 2^83806867 is an apocalyptic number.

83806867 is a deficient number, since it is larger than the sum of its proper divisors (1).

83806867 is an equidigital number, since it uses as much as digits as its factorization.

83806867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 83806867 is about 9154.6090577370. The cubic root of 83806867 is about 437.6160097253.

The spelling of 83806867 in words is "eighty-three million, eight hundred six thousand, eight hundred sixty-seven".