83228811 has 16 divisors (see below), whose sum is σ = 117603360. Its totient is φ = 52263680.

The previous prime is 83228809. The next prime is 83228837. The reversal of 83228811 is 11882238.

It is a cyclic number.

It is not a de Polignac number, because 83228811 - 2¹ = 83228809 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83228861) 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, 8100 + ... + 15233.

It is an arithmetic number, because the mean of its divisors is an integer number (7350210).

Almost surely, 2^83228811 is an apocalyptic number.

83228811 is a deficient number, since it is larger than the sum of its proper divisors (34374549).

83228811 is a wasteful number, since it uses less digits than its factorization.

83228811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406.

The product of its digits is 6144, while the sum is 33.

The square root of 83228811 is about 9122.9825715059. The cubic root of 83228811 is about 436.6075386275.

The spelling of 83228811 in words is "eighty-three million, two hundred twenty-eight thousand, eight hundred eleven".