9878875442764 has 24 divisors (see below), whose sum is σ = 17453942567600. Its totient is φ = 4892072656320.

The previous prime is 9878875442759. The next prime is 9878875442767. The reversal of 9878875442764 is 4672445788789.

9878875442764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9878875442767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700542 + ... + 5783749.

Almost surely, 2^{9878875442764} is an apocalyptic number.

It is an amenable number.

9878875442764 is a deficient number, since it is larger than the sum of its proper divisors (7575067124836).

9878875442764 is a wasteful number, since it uses less digits than its factorization.

9878875442764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486793 (or 9486791 counting only the distinct ones).

The product of its digits is 6069288960, while the sum is 79.

The spelling of 9878875442764 in words is "nine trillion, eight hundred seventy-eight billion, eight hundred seventy-five million, four hundred forty-two thousand, seven hundred sixty-four".