805544797 has 16 divisors (see below), whose sum is σ = 855251712. Its totient is φ = 757719360.

The previous prime is 805544777. The next prime is 805544837. The reversal of 805544797 is 797445508.

It is a cyclic number.

It is not a de Polignac number, because 805544797 - 2¹⁹ = 805020509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805544797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805544717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 141547 + ... + 147127.

It is an arithmetic number, because the mean of its divisors is an integer number (53453232).

Almost surely, 2^805544797 is an apocalyptic number.

It is an amenable number.

805544797 is a deficient number, since it is larger than the sum of its proper divisors (49706915).

805544797 is a wasteful number, since it uses less digits than its factorization.

805544797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 805544797 is about 28382.1210800039. The cubic root of 805544797 is about 930.4575530136.

The spelling of 805544797 in words is "eight hundred five million, five hundred forty-four thousand, seven hundred ninety-seven".