800553091 has 8 divisors (see below), whose sum is σ = 891863280. Its totient is φ = 713489952.

The previous prime is 800553071. The next prime is 800553101. The reversal of 800553091 is 190355008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 800553091 - 2⁹ = 800552579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800553071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061365 + ... + 1062118.

It is an arithmetic number, because the mean of its divisors is an integer number (111482910).

Almost surely, 2^800553091 is an apocalyptic number.

800553091 is a deficient number, since it is larger than the sum of its proper divisors (91310189).

800553091 is a wasteful number, since it uses less digits than its factorization.

800553091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123525.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 800553091 is about 28294.0469180356. The cubic root of 800553091 is about 928.5316525233.

The spelling of 800553091 in words is "eight hundred million, five hundred fifty-three thousand, ninety-one".