83287005 has 16 divisors (see below), whose sum is σ = 133384320. Its totient is φ = 44378048.

The previous prime is 83286991. The next prime is 83287007. The reversal of 83287005 is 50078238.

It is a cyclic number.

It is not a de Polignac number, because 83287005 - 2⁹ = 83286493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83287007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20536 + ... + 24254.

It is an arithmetic number, because the mean of its divisors is an integer number (8336520).

Almost surely, 2^83287005 is an apocalyptic number.

It is an amenable number.

83287005 is a deficient number, since it is larger than the sum of its proper divisors (50097315).

83287005 is a wasteful number, since it uses less digits than its factorization.

83287005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 83287005 is about 9126.1714316574. The cubic root of 83287005 is about 436.7092743098.

The spelling of 83287005 in words is "eighty-three million, two hundred eighty-seven thousand, five".