83681695 has 8 divisors (see below), whose sum is σ = 100499040. Its totient is φ = 66891360.

The previous prime is 83681693. The next prime is 83681699. The reversal of 83681695 is 59618638.

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

It is not a de Polignac number, because 83681695 - 2¹ = 83681693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83681693) 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 7 ways as a sum of consecutive naturals, for example, 846 + ... + 12964.

It is an arithmetic number, because the mean of its divisors is an integer number (12562380).

Almost surely, 2^83681695 is an apocalyptic number.

83681695 is a deficient number, since it is larger than the sum of its proper divisors (16817345).

83681695 is a wasteful number, since it uses less digits than its factorization.

83681695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13505.

The product of its digits is 311040, while the sum is 46.

The square root of 83681695 is about 9147.7699468231. The cubic root of 83681695 is about 437.3980301129.

The spelling of 83681695 in words is "eighty-three million, six hundred eighty-one thousand, six hundred ninety-five".