860541564 has 48 divisors (see below), whose sum is σ = 2135524608. Its totient is φ = 268770048.

The previous prime is 860541553. The next prime is 860541571. The reversal of 860541564 is 465145068.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37017 + ... + 55599.

It is an arithmetic number, because the mean of its divisors is an integer number (44490096).

Almost surely, 2^860541564 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 860541564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067762304).

860541564 is an abundant number, since it is smaller than the sum of its proper divisors (1274983044).

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

860541564 is a wasteful number, since it uses less digits than its factorization.

860541564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18834 (or 18832 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 860541564 is about 29334.9887335925. The cubic root of 860541564 is about 951.1681158251.

The spelling of 860541564 in words is "eight hundred sixty million, five hundred forty-one thousand, five hundred sixty-four".