800254889895 has 64 divisors (see below), whose sum is σ = 1367773102080. Its totient is φ = 398602900608.

The previous prime is 800254889891. The next prime is 800254889897. The reversal of 800254889895 is 598988452008.

It is not a de Polignac number, because 800254889895 - 2² = 800254889891 is a prime.

It is a super-2 number, since 2×800254889895² (a number of 25 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 6735192 + ... + 6852978.

It is an arithmetic number, because the mean of its divisors is an integer number (21371454720).

Almost surely, 2^800254889895 is an apocalyptic number.

800254889895 is a deficient number, since it is larger than the sum of its proper divisors (567518212185).

800254889895 is a wasteful number, since it uses less digits than its factorization.

800254889895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118284.

The product of its (nonzero) digits is 66355200, while the sum is 66.

The spelling of 800254889895 in words is "eight hundred billion, two hundred fifty-four million, eight hundred eighty-nine thousand, eight hundred ninety-five".