83936811 has 16 divisors (see below), whose sum is σ = 128057600. Its totient is φ = 47906208.

The previous prime is 83936791. The next prime is 83936833. The reversal of 83936811 is 11863938.

It is not a de Polignac number, because 83936811 - 2¹⁵ = 83904043 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 83936811.

It is not an unprimeable number, because it can be changed into a prime (83936861) 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, 20580 + ... + 24318.

It is an arithmetic number, because the mean of its divisors is an integer number (8003600).

Almost surely, 2^83936811 is an apocalyptic number.

83936811 is a deficient number, since it is larger than the sum of its proper divisors (44120789).

83936811 is a wasteful number, since it uses less digits than its factorization.

83936811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818.

The product of its digits is 31104, while the sum is 39.

The square root of 83936811 is about 9161.7034988041. The cubic root of 83936811 is about 437.8420699984.

The spelling of 83936811 in words is "eighty-three million, nine hundred thirty-six thousand, eight hundred eleven".