6897685028 has 24 divisors (see below), whose sum is σ = 13177565688. Its totient is φ = 3139934976.

The previous prime is 6897685019. The next prime is 6897685049. The reversal of 6897685028 is 8205867986.

It can be written as a sum of positive squares in 4 ways, for example, as 1760809444 + 5136875584 = 41962^2 + 71672^2 .

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 7 ways as a sum of consecutive naturals, for example, 904751 + ... + 912342.

It is an arithmetic number, because the mean of its divisors is an integer number (549065237).

Almost surely, 2^6897685028 is an apocalyptic number.

It is an amenable number.

6897685028 is a deficient number, since it is larger than the sum of its proper divisors (6279880660).

6897685028 is a wasteful number, since it uses less digits than its factorization.

6897685028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817183 (or 1817181 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The square root of 6897685028 is about 83052.3029662634. The cubic root of 6897685028 is about 1903.5653302561.

The spelling of 6897685028 in words is "six billion, eight hundred ninety-seven million, six hundred eighty-five thousand, twenty-eight".