82197571119 has 4 divisors (see below), whose sum is σ = 109596761496. Its totient is φ = 54798380744.

The previous prime is 82197571109. The next prime is 82197571121. The reversal of 82197571119 is 91117579128.

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

It is a cyclic number.

It is not a de Polignac number, because 82197571119 - 2¹⁷ = 82197440047 is a prime.

It is a super-2 number, since 2×82197571119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82197571109) 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, 13699595184 + ... + 13699595189.

It is an arithmetic number, because the mean of its divisors is an integer number (27399190374).

Almost surely, 2^82197571119 is an apocalyptic number.

82197571119 is a deficient number, since it is larger than the sum of its proper divisors (27399190377).

82197571119 is a wasteful number, since it uses less digits than its factorization.

82197571119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27399190376.

The product of its digits is 317520, while the sum is 51.

The spelling of 82197571119 in words is "eighty-two billion, one hundred ninety-seven million, five hundred seventy-one thousand, one hundred nineteen".