860381282197 has 4 divisors (see below), whose sum is σ = 861429250476. Its totient is φ = 859333313920.

The previous prime is 860381282191. The next prime is 860381282209. The reversal of 860381282197 is 791282183068.

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 644373847441 + 216007434756 = 802729^2 + 464766^2 .

It is a cyclic number.

It is not a de Polignac number, because 860381282197 - 2¹⁹ = 860380757909 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 (860381282191) 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, 523982908 + ... + 523984549.

It is an arithmetic number, because the mean of its divisors is an integer number (215357312619).

Almost surely, 2^860381282197 is an apocalyptic number.

It is an amenable number.

860381282197 is a deficient number, since it is larger than the sum of its proper divisors (1047968279).

860381282197 is a wasteful number, since it uses less digits than its factorization.

860381282197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047968278.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 860381282197 in words is "eight hundred sixty billion, three hundred eighty-one million, two hundred eighty-two thousand, one hundred ninety-seven".