86800019885 has 8 divisors (see below), whose sum is σ = 104183233560. Its totient is φ = 69424542784.

The previous prime is 86800019869. The next prime is 86800019923. The reversal of 86800019885 is 58891000868.

It can be written as a sum of positive squares in 4 ways, for example, as 12430912036 + 74369107849 = 111494^2 + 272707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86800019885 - 2⁴ = 86800019869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909430 + ... + 1954359.

It is an arithmetic number, because the mean of its divisors is an integer number (13022904195).

Almost surely, 2^86800019885 is an apocalyptic number.

It is an amenable number.

86800019885 is a deficient number, since it is larger than the sum of its proper divisors (17383213675).

86800019885 is a wasteful number, since it uses less digits than its factorization.

86800019885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868287.

The product of its (nonzero) digits is 1105920, while the sum is 53.

The spelling of 86800019885 in words is "eighty-six billion, eight hundred million, nineteen thousand, eight hundred eighty-five".