800731055 has 4 divisors (see below), whose sum is σ = 960877272. Its totient is φ = 640584840.

The previous prime is 800731051. The next prime is 800731069. The reversal of 800731055 is 550137008.

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

It is not a de Polignac number, because 800731055 - 2² = 800731051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800731051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80073101 + ... + 80073110.

It is an arithmetic number, because the mean of its divisors is an integer number (240219318).

Almost surely, 2^800731055 is an apocalyptic number.

800731055 is a deficient number, since it is larger than the sum of its proper divisors (160146217).

800731055 is a wasteful number, since it uses less digits than its factorization.

800731055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160146216.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 800731055 is about 28297.1916451085. The cubic root of 800731055 is about 928.6004520261.

The spelling of 800731055 in words is "eight hundred million, seven hundred thirty-one thousand, fifty-five".