6875688250 has 32 divisors (see below), whose sum is σ = 13628431440. Its totient is φ = 2588492800.

The previous prime is 6875688247. The next prime is 6875688269. The reversal of 6875688250 is 528865786.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 123943689 + 6751744561 = 11133^2 + 82169^2 .

It is a super-2 number, since 2×6875688250² = 94550177822376125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6875688191 and 6875688200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804655 + ... + 813154.

Almost surely, 2^6875688250 is an apocalyptic number.

6875688250 is a deficient number, since it is larger than the sum of its proper divisors (6752743190).

6875688250 is a wasteful number, since it uses less digits than its factorization.

6875688250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617843 (or 1617833 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The square root of 6875688250 is about 82919.7699586775. The cubic root of 6875688250 is about 1901.5396799491.

The spelling of 6875688250 in words is "six billion, eight hundred seventy-five million, six hundred eighty-eight thousand, two hundred fifty".