860740686752 has 72 divisors (see below), whose sum is σ = 1789037201700. Its totient is φ = 407589055488.

The previous prime is 860740686709. The next prime is 860740686763. The reversal of 860740686752 is 257686047068.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 770666271376 + 90074415376 = 877876^2 + 300124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 860740686691 and 860740686700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42836324 + ... + 42856412.

Almost surely, 2^860740686752 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 860740686752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894518600850).

860740686752 is an abundant number, since it is smaller than the sum of its proper divisors (928296514948).

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

860740686752 is a wasteful number, since it uses less digits than its factorization.

860740686752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23846 (or 23819 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 860740686752 in words is "eight hundred sixty billion, seven hundred forty million, six hundred eighty-six thousand, seven hundred fifty-two".