805133047728 has 80 divisors (see below), whose sum is σ = 2130893301600. Its totient is φ = 261802844160.

The previous prime is 805133047699. The next prime is 805133047753. The reversal of 805133047728 is 827740331508.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24404428 + ... + 24437396.

It is an arithmetic number, because the mean of its divisors is an integer number (26636166270).

Almost surely, 2^805133047728 is an apocalyptic number.

It is an amenable number.

805133047728 is an abundant number, since it is smaller than the sum of its proper divisors (1325760253872).

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

805133047728 is a wasteful number, since it uses less digits than its factorization.

805133047728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45430 (or 45424 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 805133047728 in words is "eight hundred five billion, one hundred thirty-three million, forty-seven thousand, seven hundred twenty-eight".