8285217508250 has 64 divisors (see below), whose sum is σ = 15750638171424. Its totient is φ = 3262816166400.

The previous prime is 8285217508231. The next prime is 8285217508297. The reversal of 8285217508250 is 528057125828.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 142966415881 + 8142251092369 = 378109^2 + 2853463^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8285217508192 and 8285217508201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9757724 + ... + 10572776.

Almost surely, 2^{8285217508250} is an apocalyptic number.

8285217508250 is a deficient number, since it is larger than the sum of its proper divisors (7465420663174).

8285217508250 is a wasteful number, since it uses less digits than its factorization.

8285217508250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815700 (or 815690 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 53.

The spelling of 8285217508250 in words is "eight trillion, two hundred eighty-five billion, two hundred seventeen million, five hundred eight thousand, two hundred fifty".