827868852550 has 12 divisors (see below), whose sum is σ = 1539836065836. Its totient is φ = 331147541000.

The previous prime is 827868852541. The next prime is 827868852571. The reversal of 827868852550 is 55258868728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8278688476 + ... + 8278688575.

It is an arithmetic number, because the mean of its divisors is an integer number (128319672153).

Almost surely, 2^827868852550 is an apocalyptic number.

827868852550 is a deficient number, since it is larger than the sum of its proper divisors (711967213286).

827868852550 is a wasteful number, since it uses less digits than its factorization.

827868852550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16557377063 (or 16557377058 counting only the distinct ones).

The product of its (nonzero) digits is 86016000, while the sum is 64.

The spelling of 827868852550 in words is "eight hundred twenty-seven billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, five hundred fifty".