8218834078250 has 16 divisors (see below), whose sum is σ = 15385657394952. Its totient is φ = 3287533631200.

The previous prime is 8218834078243. The next prime is 8218834078253. The reversal of 8218834078250 is 528704388128.

It can be written as a sum of positive squares in 4 ways, for example, as 3634212262321 + 4584621815929 = 1906361^2 + 2141173^2 .

It is not an unprimeable number, because it can be changed into a prime (8218834078253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16437667907 + ... + 16437668406.

Almost surely, 2^{8218834078250} is an apocalyptic number.

8218834078250 is a deficient number, since it is larger than the sum of its proper divisors (7166823316702).

8218834078250 is a wasteful number, since it uses less digits than its factorization.

8218834078250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32875336330 (or 32875336320 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 56.

The spelling of 8218834078250 in words is "eight trillion, two hundred eighteen billion, eight hundred thirty-four million, seventy-eight thousand, two hundred fifty".