83549775360 has 80 divisors (see below), whose sum is σ = 267098212656. Its totient is φ = 22279938048.

The previous prime is 83549775341. The next prime is 83549775377. The reversal of 83549775360 is 6357794538.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 83549775360.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5431759 + ... + 5447118.

Almost surely, 2^83549775360 is an apocalyptic number.

83549775360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83549775360 is an abundant number, since it is smaller than the sum of its proper divisors (183548437296).

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

83549775360 is a wasteful number, since it uses less digits than its factorization.

83549775360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878903 (or 10878887 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 83549775360 in words is "eighty-three billion, five hundred forty-nine million, seven hundred seventy-five thousand, three hundred sixty".