860605055744 has 72 divisors (see below), whose sum is σ = 1963787863968. Its totient is φ = 368730685440.

The previous prime is 860605055731. The next prime is 860605055747. The reversal of 860605055744 is 447550506068.

It is a junction number, because it is equal to n+sod(n) for n = 860605055692 and 860605055701.

It is not an unprimeable number, because it can be changed into a prime (860605055747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740984 + ... + 6867464.

It is an arithmetic number, because the mean of its divisors is an integer number (27274831444).

Almost surely, 2^860605055744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860605055744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981893931984).

860605055744 is an abundant number, since it is smaller than the sum of its proper divisors (1103182808224).

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

860605055744 is a wasteful number, since it uses less digits than its factorization.

860605055744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130301 (or 130287 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 860605055744 in words is "eight hundred sixty billion, six hundred five million, fifty-five thousand, seven hundred forty-four".