83411687 has 2 divisors, whose sum is σ = 83411688. Its totient is φ = 83411686.

The previous prime is 83411659. The next prime is 83411693. The reversal of 83411687 is 78611438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83411687 - 2¹⁸ = 83149543 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83411687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83411617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41705843 + 41705844.

It is an arithmetic number, because the mean of its divisors is an integer number (41705844).

Almost surely, 2^83411687 is an apocalyptic number.

83411687 is a deficient number, since it is larger than the sum of its proper divisors (1).

83411687 is an equidigital number, since it uses as much as digits as its factorization.

83411687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 83411687 is about 9132.9998905070. Note that the first 3 decimals coincide. The cubic root of 83411687 is about 436.9270859503.

It can be divided in two parts, 834 and 11687, that added together give a palindrome (12521).

The spelling of 83411687 in words is "eighty-three million, four hundred eleven thousand, six hundred eighty-seven".