82837073197 has 2 divisors, whose sum is σ = 82837073198. Its totient is φ = 82837073196.

The previous prime is 82837073177. The next prime is 82837073201. The reversal of 82837073197 is 79137073828.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82035843561 + 801229636 = 286419^2 + 28306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82837073197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82837073177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41418536598 + 41418536599.

It is an arithmetic number, because the mean of its divisors is an integer number (41418536599).

Almost surely, 2^82837073197 is an apocalyptic number.

It is an amenable number.

82837073197 is a deficient number, since it is larger than the sum of its proper divisors (1).

82837073197 is an equidigital number, since it uses as much as digits as its factorization.

82837073197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 82837073197 in words is "eighty-two billion, eight hundred thirty-seven million, seventy-three thousand, one hundred ninety-seven".