6884148878 has 16 divisors (see below), whose sum is σ = 10985477904. Its totient is φ = 3224242560.

The previous prime is 6884148877. The next prime is 6884148881. The reversal of 6884148878 is 8788414886.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6884148878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884148877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472625 + ... + 486972.

It is an arithmetic number, because the mean of its divisors is an integer number (686592369).

Almost surely, 2^6884148878 is an apocalyptic number.

6884148878 is a deficient number, since it is larger than the sum of its proper divisors (4101329026).

6884148878 is a wasteful number, since it uses less digits than its factorization.

6884148878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959827.

The product of its digits is 22020096, while the sum is 62.

The square root of 6884148878 is about 82970.7712269809. The cubic root of 6884148878 is about 1902.3193170732.

The spelling of 6884148878 in words is "six billion, eight hundred eighty-four million, one hundred forty-eight thousand, eight hundred seventy-eight".