827868852570 has 32 divisors (see below), whose sum is σ = 1998370144512. Its totient is φ = 219488927552.

The previous prime is 827868852541. The next prime is 827868852571. The reversal of 827868852570 is 75258868728.

It is not an unprimeable number, because it can be changed into a prime (827868852571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79750962 + ... + 79761341.

It is an arithmetic number, because the mean of its divisors is an integer number (62449067016).

Almost surely, 2^827868852570 is an apocalyptic number.

827868852570 is an abundant number, since it is smaller than the sum of its proper divisors (1170501291942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

827868852570 is a wasteful number, since it uses less digits than its factorization.

827868852570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159512486.

The product of its (nonzero) digits is 120422400, while the sum is 66.

The spelling of 827868852570 in words is "eight hundred twenty-seven billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, five hundred seventy".