83796681 has 4 divisors (see below), whose sum is σ = 111728912. Its totient is φ = 55864452.

The previous prime is 83796679. The next prime is 83796721. The reversal of 83796681 is 18669738.

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 not a de Polignac number, because 83796681 - 2¹ = 83796679 is a prime.

It is a super-2 number, since 2×83796681² = 14043767493231522, which contains 22 as substring.

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 83796681.

It is not an unprimeable number, because it can be changed into a prime (83796611) 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, 13966111 + ... + 13966116.

It is an arithmetic number, because the mean of its divisors is an integer number (27932228).

Almost surely, 2^83796681 is an apocalyptic number.

It is an amenable number.

83796681 is a deficient number, since it is larger than the sum of its proper divisors (27932231).

83796681 is a wasteful number, since it uses less digits than its factorization.

83796681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27932230.

The product of its digits is 435456, while the sum is 48.

The square root of 83796681 is about 9154.0527090464. The cubic root of 83796681 is about 437.5982795264.

The spelling of 83796681 in words is "eighty-three million, seven hundred ninety-six thousand, six hundred eighty-one".