83835197 has 4 divisors (see below), whose sum is σ = 83857116. Its totient is φ = 83813280.

The previous prime is 83835149. The next prime is 83835203. The reversal of 83835197 is 79153838.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64947481 + 18887716 = 8059^2 + 4346^2 .

It is a cyclic number.

It is not a de Polignac number, because 83835197 - 2⁶ = 83835133 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 (83832197) 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, 3554 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (20964279).

Almost surely, 2^83835197 is an apocalyptic number.

It is an amenable number.

83835197 is a deficient number, since it is larger than the sum of its proper divisors (21919).

83835197 is a wasteful number, since it uses less digits than its factorization.

83835197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21918.

The product of its digits is 181440, while the sum is 44.

The square root of 83835197 is about 9156.1562350148. The cubic root of 83835197 is about 437.6653146145.

The spelling of 83835197 in words is "eighty-three million, eight hundred thirty-five thousand, one hundred ninety-seven".