83090605 has 16 divisors (see below), whose sum is σ = 112049280. Its totient is φ = 58690368.

The previous prime is 83090587. The next prime is 83090671. The reversal of 83090605 is 50609038.

It is a cyclic number.

It is not a de Polignac number, because 83090605 - 2⁵ = 83090573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26295 + ... + 29284.

It is an arithmetic number, because the mean of its divisors is an integer number (7003080).

Almost surely, 2^83090605 is an apocalyptic number.

It is an amenable number.

83090605 is a deficient number, since it is larger than the sum of its proper divisors (28958675).

83090605 is a wasteful number, since it uses less digits than its factorization.

83090605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55620.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 83090605 is about 9115.4048182184. The cubic root of 83090605 is about 436.3657344899.

The spelling of 83090605 in words is "eighty-three million, ninety thousand, six hundred five".