83568965 has 16 divisors (see below), whose sum is σ = 102816000. Its totient is φ = 65188032.

The previous prime is 83568949. The next prime is 83568983. The reversal of 83568965 is 56986538.

It is a cyclic number.

It is not a de Polignac number, because 83568965 - 2⁴ = 83568949 is a prime.

It is a super-2 number, since 2×83568965² = 13967543822342450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31511 + ... + 34059.

It is an arithmetic number, because the mean of its divisors is an integer number (6426000).

Almost surely, 2^83568965 is an apocalyptic number.

It is an amenable number.

83568965 is a deficient number, since it is larger than the sum of its proper divisors (19247035).

83568965 is a wasteful number, since it uses less digits than its factorization.

83568965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716.

The product of its digits is 1555200, while the sum is 50.

The square root of 83568965 is about 9141.6062592960. The cubic root of 83568965 is about 437.2015313928.

The spelling of 83568965 in words is "eighty-three million, five hundred sixty-eight thousand, nine hundred sixty-five".