83009111 has 2 divisors, whose sum is σ = 83009112. Its totient is φ = 83009110.

The previous prime is 83009089. The next prime is 83009117. The reversal of 83009111 is 11190038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83009111 - 2¹⁰ = 83008087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83009117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41504555 + 41504556.

It is an arithmetic number, because the mean of its divisors is an integer number (41504556).

Almost surely, 2^83009111 is an apocalyptic number.

83009111 is a deficient number, since it is larger than the sum of its proper divisors (1).

83009111 is an equidigital number, since it uses as much as digits as its factorization.

83009111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 83009111 is about 9110.9335965092. The cubic root of 83009111 is about 436.2230275358.

Adding to 83009111 its reverse (11190038), we get a palindrome (94199149).

The spelling of 83009111 in words is "eighty-three million, nine thousand, one hundred eleven".