860013500 has 48 divisors (see below), whose sum is σ = 1910170080. Its totient is φ = 338163200.

The previous prime is 860013491. The next prime is 860013503. The reversal of 860013500 is 5310068.

860013500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860013503) 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, 14924 + ... + 44076.

It is an arithmetic number, because the mean of its divisors is an integer number (39795210).

Almost surely, 2^860013500 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 860013500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955085040).

860013500 is an abundant number, since it is smaller than the sum of its proper divisors (1050156580).

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

860013500 is a wasteful number, since it uses less digits than its factorization.

860013500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29231 (or 29219 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 860013500 is about 29325.9867694166. The cubic root of 860013500 is about 950.9735172780.

Adding to 860013500 its reverse (5310068), we get a palindrome (865323568).

The spelling of 860013500 in words is "eight hundred sixty million, thirteen thousand, five hundred".