83836065 has 16 divisors (see below), whose sum is σ = 134398656. Its totient is φ = 44625600.

The previous prime is 83836063. The next prime is 83836073. The reversal of 83836065 is 56063838.

It is not a de Polignac number, because 83836065 - 2¹ = 83836063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83836063) 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, 2950 + ... + 13280.

It is an arithmetic number, because the mean of its divisors is an integer number (8399916).

Almost surely, 2^83836065 is an apocalyptic number.

It is an amenable number.

83836065 is a deficient number, since it is larger than the sum of its proper divisors (50562591).

83836065 is a wasteful number, since it uses less digits than its factorization.

83836065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 83836065 is about 9156.2036346949. The cubic root of 83836065 is about 437.6668250866. Note that the first 3 decimals are identical.

The spelling of 83836065 in words is "eighty-three million, eight hundred thirty-six thousand, sixty-five".