860039923881 has 16 divisors (see below), whose sum is σ = 1184703229440. Its totient is φ = 554399295360.

The previous prime is 860039923867. The next prime is 860039923891. The reversal of 860039923881 is 188329930068.

It is not a de Polignac number, because 860039923881 - 2¹⁰ = 860039922857 is a prime.

It is a super-2 number, since 2×860039923881² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (860039923811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3764886 + ... + 3986783.

It is an arithmetic number, because the mean of its divisors is an integer number (74043951840).

Almost surely, 2^860039923881 is an apocalyptic number.

It is an amenable number.

860039923881 is a deficient number, since it is larger than the sum of its proper divisors (324663305559).

860039923881 is a wasteful number, since it uses less digits than its factorization.

860039923881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752896.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 860039923881 in words is "eight hundred sixty billion, thirty-nine million, nine hundred twenty-three thousand, eight hundred eighty-one".