82769897189 has 16 divisors (see below), whose sum is σ = 94765241088. Its totient is φ = 70817425152.

The previous prime is 82769897179. The next prime is 82769897207. The reversal of 82769897189 is 98179896728.

It is a cyclic number.

It is not a de Polignac number, because 82769897189 - 2¹⁶ = 82769831653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82769897179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19082429 + ... + 19086765.

It is an arithmetic number, because the mean of its divisors is an integer number (5922827568).

Almost surely, 2^82769897189 is an apocalyptic number.

It is an amenable number.

82769897189 is a deficient number, since it is larger than the sum of its proper divisors (11995343899).

82769897189 is a wasteful number, since it uses less digits than its factorization.

82769897189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644.

The product of its digits is 219469824, while the sum is 74.

The spelling of 82769897189 in words is "eighty-two billion, seven hundred sixty-nine million, eight hundred ninety-seven thousand, one hundred eighty-nine".