83816011 has 4 divisors (see below), whose sum is σ = 88227400. Its totient is φ = 79404624.

The previous prime is 83816009. The next prime is 83816021. The reversal of 83816011 is 11061838.

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 83816011 - 2¹ = 83816009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83816021) 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, 2205666 + ... + 2205703.

It is an arithmetic number, because the mean of its divisors is an integer number (22056850).

Almost surely, 2^83816011 is an apocalyptic number.

83816011 is a deficient number, since it is larger than the sum of its proper divisors (4411389).

83816011 is a wasteful number, since it uses less digits than its factorization.

83816011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411388.

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

The square root of 83816011 is about 9155.1084646770. The cubic root of 83816011 is about 437.6319249497.

Adding to 83816011 its reverse (11061838), we get a palindrome (94877849).

The spelling of 83816011 in words is "eighty-three million, eight hundred sixteen thousand, eleven".