83008565 has 16 divisors (see below), whose sum is σ = 100958400. Its totient is φ = 65515392.

The previous prime is 83008561. The next prime is 83008571. The reversal of 83008565 is 56580038.

It is a cyclic number.

It is not a de Polignac number, because 83008565 - 2² = 83008561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83008561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145601 + ... + 146169.

It is an arithmetic number, because the mean of its divisors is an integer number (6309900).

Almost surely, 2^83008565 is an apocalyptic number.

It is an amenable number.

83008565 is a deficient number, since it is larger than the sum of its proper divisors (17949835).

83008565 is a wasteful number, since it uses less digits than its factorization.

83008565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 83008565 is about 9110.9036324615. The cubic root of 83008565 is about 436.2220711014. Note that the first 3 decimals are identical.

The spelling of 83008565 in words is "eighty-three million, eight thousand, five hundred sixty-five".