853977043799 has 6 divisors (see below), whose sum is σ = 938668982160. Its totient is φ = 776342766980.

The previous prime is 853977043681. The next prime is 853977043807. The reversal of 853977043799 is 997340779358.

It is not a de Polignac number, because 853977043799 - 2¹⁶ = 853976978263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853977049799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3528830639 + ... + 3528830880.

It is an arithmetic number, because the mean of its divisors is an integer number (156444830360).

Almost surely, 2^853977043799 is an apocalyptic number.

853977043799 is a deficient number, since it is larger than the sum of its proper divisors (84691938361).

853977043799 is a wasteful number, since it uses less digits than its factorization.

853977043799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057661541 (or 7057661530 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 71.

The spelling of 853977043799 in words is "eight hundred fifty-three billion, nine hundred seventy-seven million, forty-three thousand, seven hundred ninety-nine".