2163382877878 has 64 divisors (see below), whose sum is σ = 3397024604160. Its totient is φ = 1032030824832.

The previous prime is 2163382877867. The next prime is 2163382877939. The reversal of 2163382877878 is 8787782833612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186714875 + ... + 1186716697.

It is an arithmetic number, because the mean of its divisors is an integer number (53078509440).

Almost surely, 2^{2163382877878} is an apocalyptic number.

2163382877878 is a deficient number, since it is larger than the sum of its proper divisors (1233641726282).

2163382877878 is a wasteful number, since it uses less digits than its factorization.

2163382877878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

The product of its digits is 303464448, while the sum is 70.

The spelling of 2163382877878 in words is "two trillion, one hundred sixty-three billion, three hundred eighty-two million, eight hundred seventy-seven thousand, eight hundred seventy-eight".