7868643066250 has 80 divisors (see below), whose sum is σ = 15532273706400. Its totient is φ = 2980452024000.

The previous prime is 7868643066241. The next prime is 7868643066257. The reversal of 7868643066250 is 526603468687.

It is not an unprimeable number, because it can be changed into a prime (7868643066257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53197396 + ... + 53345104.

It is an arithmetic number, because the mean of its divisors is an integer number (194153421330).

Almost surely, 2^{7868643066250} is an apocalyptic number.

7868643066250 is a deficient number, since it is larger than the sum of its proper divisors (7663630640150).

7868643066250 is a wasteful number, since it uses less digits than its factorization.

7868643066250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149993 (or 149978 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 7868643066250 in words is "seven trillion, eight hundred sixty-eight billion, six hundred forty-three million, sixty-six thousand, two hundred fifty".