810327055 has 4 divisors (see below), whose sum is σ = 972392472. Its totient is φ = 648261640.

The previous prime is 810327043. The next prime is 810327071. The reversal of 810327055 is 550723018.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 810327055 - 2⁷ = 810326927 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 81032701 + ... + 81032710.

It is an arithmetic number, because the mean of its divisors is an integer number (243098118).

Almost surely, 2^810327055 is an apocalyptic number.

810327055 is a deficient number, since it is larger than the sum of its proper divisors (162065417).

810327055 is a wasteful number, since it uses less digits than its factorization.

810327055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162065416.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 810327055 is about 28466.2441323052. The cubic root of 810327055 is about 932.2951961296.

The spelling of 810327055 in words is "eight hundred ten million, three hundred twenty-seven thousand, fifty-five".