860865800832 has 288 divisors, whose sum is σ = 2556918573300. Its totient is φ = 277936496640.

The previous prime is 860865800759. The next prime is 860865800863. The reversal of 860865800832 is 238008568068.

It can be written as a sum of positive squares in 2 ways, for example, as 860842529856 + 23270976 = 927816^2 + 4824^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 315449644 + ... + 315452372.

Almost surely, 2^860865800832 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 860865800832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278459286650).

860865800832 is an abundant number, since it is smaller than the sum of its proper divisors (1696052772468).

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

860865800832 is a wasteful number, since it uses less digits than its factorization.

860865800832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 860865800832 in words is "eight hundred sixty billion, eight hundred sixty-five million, eight hundred thousand, eight hundred thirty-two".