82194880117 has 16 divisors (see below), whose sum is σ = 96115417600. Its totient is φ = 70260677424.

The previous prime is 82194880091. The next prime is 82194880181. The reversal of 82194880117 is 71108849128.

It is not a de Polignac number, because 82194880117 - 2²³ = 82186491509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82194880717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200598 + ... + 452359.

It is an arithmetic number, because the mean of its divisors is an integer number (6007213600).

Almost surely, 2^82194880117 is an apocalyptic number.

It is an amenable number.

82194880117 is a deficient number, since it is larger than the sum of its proper divisors (13920537483).

82194880117 is an equidigital number, since it uses as much as digits as its factorization.

82194880117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653345 (or 653331 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 49.

The spelling of 82194880117 in words is "eighty-two billion, one hundred ninety-four million, eight hundred eighty thousand, one hundred seventeen".