827868852506 has 16 divisors (see below), whose sum is σ = 1250864112960. Its totient is φ = 410920596480.

The previous prime is 827868852497. The next prime is 827868852521. The reversal of 827868852506 is 605258868728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354760 + ... + 1868451.

It is an arithmetic number, because the mean of its divisors is an integer number (78179007060).

Almost surely, 2^827868852506 is an apocalyptic number.

827868852506 is a deficient number, since it is larger than the sum of its proper divisors (422995260454).

827868852506 is a wasteful number, since it uses less digits than its factorization.

827868852506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224149.

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 827868852506 in words is "eight hundred twenty-seven billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, five hundred six".