82786885250 has 32 divisors (see below), whose sum is σ = 155528700912. Its totient is φ = 32996880000.

The previous prime is 82786885229. The next prime is 82786885261. The reversal of 82786885250 is 5258868728.

It can be written as a sum of positive squares in 8 ways, for example, as 11856814321 + 70930070929 = 108889^2 + 266327^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82786885250.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 518981 + ... + 659480.

Almost surely, 2^82786885250 is an apocalyptic number.

82786885250 is a deficient number, since it is larger than the sum of its proper divisors (72741815662).

82786885250 is a wasteful number, since it uses less digits than its factorization.

82786885250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178759 (or 1178749 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 59.

The spelling of 82786885250 in words is "eighty-two billion, seven hundred eighty-six million, eight hundred eighty-five thousand, two hundred fifty".