855317827824 has 40 divisors (see below), whose sum is σ = 2247021419520. Its totient is φ = 280273637568.

The previous prime is 855317827811. The next prime is 855317827853. The reversal of 855317827824 is 428728713558.

It is a congruent number.

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, 151006672 + ... + 151012335.

It is an arithmetic number, because the mean of its divisors is an integer number (56175535488).

Almost surely, 2^855317827824 is an apocalyptic number.

It is an amenable number.

855317827824 is an abundant number, since it is smaller than the sum of its proper divisors (1391703591696).

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

855317827824 is a wasteful number, since it uses less digits than its factorization.

855317827824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302019077 (or 302019071 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 60.

The spelling of 855317827824 in words is "eight hundred fifty-five billion, three hundred seventeen million, eight hundred twenty-seven thousand, eight hundred twenty-four".