800359973443854 has 32 divisors (see below), whose sum is σ = 1839907984932000. Its totient is φ = 257587117889472.

The previous prime is 800359973443853. The next prime is 800359973443859. The reversal of 800359973443854 is 458344379953008.

It is a happy number.

800359973443854 is a `hidden beast` number, since 8 + 0 + 0 + 3 + 59 + 97 + 3 + 4 + 438 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800359973443853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255542774119 + ... + 255542777250.

It is an arithmetic number, because the mean of its divisors is an integer number (57497124529125).

Almost surely, 2^{800359973443854} is an apocalyptic number.

800359973443854 is an abundant number, since it is smaller than the sum of its proper divisors (1039548011488146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800359973443854 is a wasteful number, since it uses less digits than its factorization.

800359973443854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511085551409 (or 511085551403 counting only the distinct ones).

The product of its (nonzero) digits is 1567641600, while the sum is 72.

The spelling of 800359973443854 in words is "eight hundred trillion, three hundred fifty-nine billion, nine hundred seventy-three million, four hundred forty-three thousand, eight hundred fifty-four".