83016811 has 4 divisors (see below), whose sum is σ = 83097000. Its totient is φ = 82936624.

The previous prime is 83016809. The next prime is 83016839. The reversal of 83016811 is 11861038.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83016811 - 2¹ = 83016809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83016811.

It is not an unprimeable number, because it can be changed into a prime (83016881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38521 + ... + 40618.

It is an arithmetic number, because the mean of its divisors is an integer number (20774250).

Almost surely, 2^83016811 is an apocalyptic number.

83016811 is a deficient number, since it is larger than the sum of its proper divisors (80189).

83016811 is a wasteful number, since it uses less digits than its factorization.

83016811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80188.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 83016811 is about 9111.3561559188. The cubic root of 83016811 is about 436.2365152659.

Adding to 83016811 its reverse (11861038), we get a palindrome (94877849).

The spelling of 83016811 in words is "eighty-three million, sixteen thousand, eight hundred eleven".