800254889893 has 4 divisors (see below), whose sum is σ = 801925568640. Its totient is φ = 798584211148.

The previous prime is 800254889891. The next prime is 800254889897. The reversal of 800254889893 is 398988452008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 800254889893 - 2¹ = 800254889891 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 (800254889891) 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, 835338655 + ... + 835339612.

It is an arithmetic number, because the mean of its divisors is an integer number (200481392160).

Almost surely, 2^800254889893 is an apocalyptic number.

It is an amenable number.

800254889893 is a deficient number, since it is larger than the sum of its proper divisors (1670678747).

800254889893 is a wasteful number, since it uses less digits than its factorization.

800254889893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670678746.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 800254889893 in words is "eight hundred billion, two hundred fifty-four million, eight hundred eighty-nine thousand, eight hundred ninety-three".