6731878904 has 48 divisors (see below), whose sum is σ = 13751478720. Its totient is φ = 3085879680.

The previous prime is 6731878897. The next prime is 6731878919. The reversal of 6731878904 is 4098781376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51932 + ... + 127124.

It is an arithmetic number, because the mean of its divisors is an integer number (286489140).

Almost surely, 2^6731878904 is an apocalyptic number.

It is an amenable number.

6731878904 is an abundant number, since it is smaller than the sum of its proper divisors (7019599816).

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

6731878904 is a wasteful number, since it uses less digits than its factorization.

6731878904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75268 (or 75245 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 6731878904 is about 82048.0280323665. The cubic root of 6731878904 is about 1888.1888628637.

The spelling of 6731878904 in words is "six billion, seven hundred thirty-one million, eight hundred seventy-eight thousand, nine hundred four".