854020805398 has 16 divisors (see below), whose sum is σ = 1377144414720. Its totient is φ = 395929017576.

The previous prime is 854020805387. The next prime is 854020805399. The reversal of 854020805398 is 893508020458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854020805399) 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, 239085786 + ... + 239089357.

It is an arithmetic number, because the mean of its divisors is an integer number (86071525920).

Almost surely, 2^854020805398 is an apocalyptic number.

854020805398 is a deficient number, since it is larger than the sum of its proper divisors (523123609322).

854020805398 is a wasteful number, since it uses less digits than its factorization.

854020805398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478175211.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 854020805398 in words is "eight hundred fifty-four billion, twenty million, eight hundred five thousand, three hundred ninety-eight".