827868852542 has 16 divisors (see below), whose sum is σ = 1245437268480. Its totient is φ = 412723777152.

The previous prime is 827868852541. The next prime is 827868852571. The reversal of 827868852542 is 245258868728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827868852541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289698 + ... + 2626490.

It is an arithmetic number, because the mean of its divisors is an integer number (77839829280).

Almost surely, 2^827868852542 is an apocalyptic number.

827868852542 is a deficient number, since it is larger than the sum of its proper divisors (417568415938).

827868852542 is a wasteful number, since it uses less digits than its factorization.

827868852542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340387.

The product of its digits is 137625600, while the sum is 65.

The spelling of 827868852542 in words is "eight hundred twenty-seven billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, five hundred forty-two".