805527466872 has 128 divisors (see below), whose sum is σ = 2071062639360. Its totient is φ = 260943298560.

The previous prime is 805527466859. The next prime is 805527466901. The reversal of 805527466872 is 278664725508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179762872 + ... + 179767352.

It is an arithmetic number, because the mean of its divisors is an integer number (16180176870).

Almost surely, 2^805527466872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805527466872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035531319680).

805527466872 is an abundant number, since it is smaller than the sum of its proper divisors (1265535172488).

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

805527466872 is a wasteful number, since it uses less digits than its factorization.

805527466872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 805527466872 in words is "eight hundred five billion, five hundred twenty-seven million, four hundred sixty-six thousand, eight hundred seventy-two".