83536813 has 4 divisors (see below), whose sum is σ = 85314240. Its totient is φ = 81759388.

The previous prime is 83536807. The next prime is 83536823. The reversal of 83536813 is 31863538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83536813 - 2⁵ = 83536781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83536823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888643 + ... + 888736.

It is an arithmetic number, because the mean of its divisors is an integer number (21328560).

Almost surely, 2^83536813 is an apocalyptic number.

It is an amenable number.

83536813 is a deficient number, since it is larger than the sum of its proper divisors (1777427).

83536813 is a wasteful number, since it uses less digits than its factorization.

83536813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777426.

The product of its digits is 51840, while the sum is 37.

The square root of 83536813 is about 9139.8475370216. The cubic root of 83536813 is about 437.1454551259.

The spelling of 83536813 in words is "eighty-three million, five hundred thirty-six thousand, eight hundred thirteen".