2182109585878 has 16 divisors (see below), whose sum is σ = 3276013989456. Its totient is φ = 1090105188480.

The previous prime is 2182109585869. The next prime is 2182109585933. The reversal of 2182109585878 is 8785859012812.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17342533 + ... + 17467903.

It is an arithmetic number, because the mean of its divisors is an integer number (204750874341).

Almost surely, 2^{2182109585878} is an apocalyptic number.

2182109585878 is a deficient number, since it is larger than the sum of its proper divisors (1093904403578).

2182109585878 is a wasteful number, since it uses less digits than its factorization.

2182109585878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132879.

The product of its (nonzero) digits is 25804800, while the sum is 64.

The spelling of 2182109585878 in words is "two trillion, one hundred eighty-two billion, one hundred nine million, five hundred eighty-five thousand, eight hundred seventy-eight".