2385872078868 has 144 divisors (see below), whose sum is σ = 6404115856320. Its totient is φ = 746355520512.

The previous prime is 2385872078803. The next prime is 2385872078879. The reversal of 2385872078868 is 8688702785832.

It is a happy number.

2385872078868 is a `hidden beast` number, since 2 + 38 + 587 + 2 + 0 + 7 + 8 + 8 + 6 + 8 = 666.

It is a super-2 number, since 2×2385872078868² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2385872078796 and 2385872078805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330495363 + ... + 330502581.

It is an arithmetic number, because the mean of its divisors is an integer number (44473026780).

Almost surely, 2^{2385872078868} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2385872078868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3202057928160).

2385872078868 is an abundant number, since it is smaller than the sum of its proper divisors (4018243777452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2385872078868 is a wasteful number, since it uses less digits than its factorization.

2385872078868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726 (or 8721 counting only the distinct ones).

The product of its (nonzero) digits is 578027520, while the sum is 72.

The spelling of 2385872078868 in words is "two trillion, three hundred eighty-five billion, eight hundred seventy-two million, seventy-eight thousand, eight hundred sixty-eight".