6886478625 has 64 divisors (see below), whose sum is σ = 12468648192. Its totient is φ = 3355084800.

The previous prime is 6886478593. The next prime is 6886478629. The reversal of 6886478625 is 5268746886.

It is not a de Polignac number, because 6886478625 - 2⁵ = 6886478593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6886478629) 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 63 ways as a sum of consecutive naturals, for example, 465594 + ... + 480156.

It is an arithmetic number, because the mean of its divisors is an integer number (194822628).

Almost surely, 2^6886478625 is an apocalyptic number.

6886478625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6886478625 is a deficient number, since it is larger than the sum of its proper divisors (5582169567).

6886478625 is a wasteful number, since it uses less digits than its factorization.

6886478625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14691 (or 14681 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The square root of 6886478625 is about 82984.8096039269. The cubic root of 6886478625 is about 1902.5338883994.

The spelling of 6886478625 in words is "six billion, eight hundred eighty-six million, four hundred seventy-eight thousand, six hundred twenty-five".