854389312847 has 16 divisors (see below), whose sum is σ = 1022901734400. Its totient is φ = 698130407520.

The previous prime is 854389312823. The next prime is 854389312853. The reversal of 854389312847 is 748213983458.

It is not a de Polignac number, because 854389312847 - 2¹⁴ = 854389296463 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 854389312847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854389312877) 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, 26622029 + ... + 26654102.

It is an arithmetic number, because the mean of its divisors is an integer number (63931358400).

Almost surely, 2^854389312847 is an apocalyptic number.

854389312847 is a deficient number, since it is larger than the sum of its proper divisors (168512421553).

854389312847 is a wasteful number, since it uses less digits than its factorization.

854389312847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53276246.

The product of its digits is 46448640, while the sum is 62.

The spelling of 854389312847 in words is "eight hundred fifty-four billion, three hundred eighty-nine million, three hundred twelve thousand, eight hundred forty-seven".