860615608860 has 576 divisors, whose sum is σ = 3291147804672. Its totient is φ = 184282988544.

The previous prime is 860615608849. The next prime is 860615608883. The reversal of 860615608860 is 68806516068.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 860615608797 and 860615608806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 128966484 + ... + 128973156.

It is an arithmetic number, because the mean of its divisors is an integer number (5713798272).

Almost surely, 2^860615608860 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 860615608860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645573902336).

860615608860 is an abundant number, since it is smaller than the sum of its proper divisors (2430532195812).

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

860615608860 is a wasteful number, since it uses less digits than its factorization.

860615608860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944 (or 6930 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 860615608860 in words is "eight hundred sixty billion, six hundred fifteen million, six hundred eight thousand, eight hundred sixty".