83506711 has 2 divisors, whose sum is σ = 83506712. Its totient is φ = 83506710.

The previous prime is 83506673. The next prime is 83506751. The reversal of 83506711 is 11760538.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83506711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83506751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41753355 + 41753356.

It is an arithmetic number, because the mean of its divisors is an integer number (41753356).

Almost surely, 2^83506711 is an apocalyptic number.

83506711 is a deficient number, since it is larger than the sum of its proper divisors (1).

83506711 is an equidigital number, since it uses as much as digits as its factorization.

83506711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 83506711 is about 9138.2006434527. The cubic root of 83506711 is about 437.0929412185.

The spelling of 83506711 in words is "eighty-three million, five hundred six thousand, seven hundred eleven".