6887178825 has 24 divisors (see below), whose sum is σ = 11779454400. Its totient is φ = 3546500160.

The previous prime is 6887178803. The next prime is 6887178833. The reversal of 6887178825 is 5288717886.

It is not a de Polignac number, because 6887178825 - 2⁸ = 6887178569 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581085 + ... + 1585434.

It is an arithmetic number, because the mean of its divisors is an integer number (490810600).

Almost surely, 2^6887178825 is an apocalyptic number.

It is an amenable number.

6887178825 is a deficient number, since it is larger than the sum of its proper divisors (4892275575).

6887178825 is a wasteful number, since it uses less digits than its factorization.

6887178825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166561 (or 3166556 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 60.

The square root of 6887178825 is about 82989.0283411006. The cubic root of 6887178825 is about 1902.5983678503.

It can be divided in two parts, 68871 and 78825, that added together give a triangular number (147696 = T₅₄₃).

The spelling of 6887178825 in words is "six billion, eight hundred eighty-seven million, one hundred seventy-eight thousand, eight hundred twenty-five".