86381888889 has 8 divisors (see below), whose sum is σ = 116363232160. Its totient is φ = 56994235776.

The previous prime is 86381888881. The next prime is 86381888893. The reversal of 86381888889 is 98888818368.

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

It is not a de Polignac number, because 86381888889 - 2³ = 86381888881 is a prime.

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 86381888889.

It is not an unprimeable number, because it can be changed into a prime (86381888881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148422199 + ... + 148422780.

It is an arithmetic number, because the mean of its divisors is an integer number (14545404020).

Almost surely, 2^86381888889 is an apocalyptic number.

It is an amenable number.

86381888889 is a deficient number, since it is larger than the sum of its proper divisors (29981343271).

86381888889 is a wasteful number, since it uses less digits than its factorization.

86381888889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296845079.

The product of its digits is 339738624, while the sum is 75.

The spelling of 86381888889 in words is "eighty-six billion, three hundred eighty-one million, eight hundred eighty-eight thousand, eight hundred eighty-nine".