83536681 has 8 divisors (see below), whose sum is σ = 84323520. Its totient is φ = 82753968.

The previous prime is 83536679. The next prime is 83536693. The reversal of 83536681 is 18663538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83536681 - 2¹ = 83536679 is a prime.

It is a super-2 number, since 2×83536681² = 13956754144991522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83536381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51180 + ... + 52786.

It is an arithmetic number, because the mean of its divisors is an integer number (10540440).

Almost surely, 2^83536681 is an apocalyptic number.

It is an amenable number.

83536681 is a deficient number, since it is larger than the sum of its proper divisors (786839).

83536681 is a wasteful number, since it uses less digits than its factorization.

83536681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 103680, while the sum is 40.

The square root of 83536681 is about 9139.8403158917. The cubic root of 83536681 is about 437.1452248752.

The spelling of 83536681 in words is "eighty-three million, five hundred thirty-six thousand, six hundred eighty-one".