860722691472 has 480 divisors, whose sum is σ = 2996642488320. Its totient is φ = 225061079040.

The previous prime is 860722691449. The next prime is 860722691483. The reversal of 860722691472 is 274196227068.

860722691472 is a `hidden beast` number, since 8 + 60 + 7 + 2 + 26 + 91 + 472 = 666.

It is a super-2 number, since 2×860722691472² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 490998948 + ... + 491000700.

It is an arithmetic number, because the mean of its divisors is an integer number (6243005184).

Almost surely, 2^860722691472 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 860722691472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498321244160).

860722691472 is an abundant number, since it is smaller than the sum of its proper divisors (2135919796848).

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

860722691472 is a wasteful number, since it uses less digits than its factorization.

860722691472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 860722691472 in words is "eight hundred sixty billion, seven hundred twenty-two million, six hundred ninety-one thousand, four hundred seventy-two".