82837197 has 6 divisors (see below), whose sum is σ = 119653742. Its totient is φ = 55224792.

The previous prime is 82837193. The next prime is 82837199. The reversal of 82837197 is 79173828.

It can be written as a sum of positive squares in only one way, i.e., 77105961 + 5731236 = 8781^2 + 2394^2 .

It is not a de Polignac number, because 82837197 - 2² = 82837193 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 (82837193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4602058 + ... + 4602075.

Almost surely, 2^82837197 is an apocalyptic number.

It is an amenable number.

82837197 is a deficient number, since it is larger than the sum of its proper divisors (36816545).

82837197 is a wasteful number, since it uses less digits than its factorization.

82837197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204139 (or 9204136 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 82837197 is about 9101.4942179842. The cubic root of 82837197 is about 435.9216763748.

It can be divided in two parts, 828 and 37197, that added together give a square (38025 = 195²).

The spelling of 82837197 in words is "eighty-two million, eight hundred thirty-seven thousand, one hundred ninety-seven".