860394848081 has 4 divisors (see below), whose sum is σ = 883648762932. Its totient is φ = 837140933232.

The previous prime is 860394847957. The next prime is 860394848141. The reversal of 860394848081 is 180848493068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 792472063681 + 67922784400 = 890209^2 + 260620^2 .

It is a cyclic number.

It is not a de Polignac number, because 860394848081 - 2¹⁰ = 860394847057 is a prime.

It is a super-2 number, since 2×860394848081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 860394848081.

It is not an unprimeable number, because it can be changed into a prime (860394848381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11626957370 + ... + 11626957443.

It is an arithmetic number, because the mean of its divisors is an integer number (220912190733).

Almost surely, 2^860394848081 is an apocalyptic number.

It is an amenable number.

860394848081 is a deficient number, since it is larger than the sum of its proper divisors (23253914851).

860394848081 is a wasteful number, since it uses less digits than its factorization.

860394848081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23253914850.

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 860394848081 in words is "eight hundred sixty billion, three hundred ninety-four million, eight hundred forty-eight thousand, eighty-one".