806452087728 has 90 divisors (see below), whose sum is σ = 2423601699876. Its totient is φ = 230402438784.

The previous prime is 806452087703. The next prime is 806452087733. The reversal of 806452087728 is 827780254608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43542726 + ... + 43561242.

Almost surely, 2^806452087728 is an apocalyptic number.

It is an amenable number.

806452087728 is an abundant number, since it is smaller than the sum of its proper divisors (1617149612148).

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

806452087728 is an frugal number, since it uses more digits than its factorization.

806452087728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37059 (or 18529 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 806452087728 in words is "eight hundred six billion, four hundred fifty-two million, eighty-seven thousand, seven hundred twenty-eight".