82001189097 has 12 divisors (see below), whose sum is σ = 120966293760. Its totient is φ = 53504321688.

The previous prime is 82001189089. The next prime is 82001189107. The reversal of 82001189097 is 79098110028.

It is not a de Polignac number, because 82001189097 - 2³ = 82001189089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82001189087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96927697 + ... + 96928542.

It is an arithmetic number, because the mean of its divisors is an integer number (10080524480).

Almost surely, 2^82001189097 is an apocalyptic number.

It is an amenable number.

82001189097 is a deficient number, since it is larger than the sum of its proper divisors (38965104663).

82001189097 is a wasteful number, since it uses less digits than its factorization.

82001189097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193856292 (or 193856289 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 82001189097 in words is "eighty-two billion, one million, one hundred eighty-nine thousand, ninety-seven".