805270893 has 16 divisors (see below), whose sum is σ = 1232178816. Its totient is φ = 458242560.

The previous prime is 805270891. The next prime is 805270913. The reversal of 805270893 is 398072508.

It is not a de Polignac number, because 805270893 - 2¹ = 805270891 is a prime.

It is a super-2 number, since 2×805270893² = 1296922422226034898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805270891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74496 + ... + 84617.

It is an arithmetic number, because the mean of its divisors is an integer number (77011176).

Almost surely, 2^805270893 is an apocalyptic number.

It is an amenable number.

805270893 is a deficient number, since it is larger than the sum of its proper divisors (426907923).

805270893 is a wasteful number, since it uses less digits than its factorization.

805270893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159364.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 805270893 is about 28377.2953785240. The cubic root of 805270893 is about 930.3520819760.

The spelling of 805270893 in words is "eight hundred five million, two hundred seventy thousand, eight hundred ninety-three".