854386339939 has 16 divisors (see below), whose sum is σ = 937299583584. Its totient is φ = 772347571200.

The previous prime is 854386339871. The next prime is 854386339951. The reversal of 854386339939 is 939933683458.

It is a cyclic number.

It is not a de Polignac number, because 854386339939 - 2¹¹ = 854386337891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854386339969) 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, 33820437 + ... + 33845689.

It is an arithmetic number, because the mean of its divisors is an integer number (58581223974).

Almost surely, 2^854386339939 is an apocalyptic number.

854386339939 is a deficient number, since it is larger than the sum of its proper divisors (82913243645).

854386339939 is a wasteful number, since it uses less digits than its factorization.

854386339939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42438.

The product of its digits is 453496320, while the sum is 70.

The spelling of 854386339939 in words is "eight hundred fifty-four billion, three hundred eighty-six million, three hundred thirty-nine thousand, nine hundred thirty-nine".