806280772 has 12 divisors (see below), whose sum is σ = 1539263376. Its totient is φ = 366491240.

The previous prime is 806280731. The next prime is 806280793. The reversal of 806280772 is 277082608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9162238 + ... + 9162325.

It is an arithmetic number, because the mean of its divisors is an integer number (128271948).

Almost surely, 2^806280772 is an apocalyptic number.

It is an amenable number.

806280772 is a deficient number, since it is larger than the sum of its proper divisors (732982604).

806280772 is a wasteful number, since it uses less digits than its factorization.

806280772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324578 (or 18324576 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 806280772 is about 28395.0835885369. The cubic root of 806280772 is about 930.7408333705.

The spelling of 806280772 in words is "eight hundred six million, two hundred eighty thousand, seven hundred seventy-two".