2468861121878 has 8 divisors (see below), whose sum is σ = 3707105580360. Its totient is φ = 1233159261760.

The previous prime is 2468861121863. The next prime is 2468861121929. The reversal of 2468861121878 is 8781211688642.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2468861121878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635647163 + ... + 635651046.

It is an arithmetic number, because the mean of its divisors is an integer number (463388197545).

Almost surely, 2^{2468861121878} is an apocalyptic number.

2468861121878 is a deficient number, since it is larger than the sum of its proper divisors (1238244458482).

2468861121878 is a wasteful number, since it uses less digits than its factorization.

2468861121878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271299182.

The product of its digits is 16515072, while the sum is 62.

The spelling of 2468861121878 in words is "two trillion, four hundred sixty-eight billion, eight hundred sixty-one million, one hundred twenty-one thousand, eight hundred seventy-eight".