86386881 has 8 divisors (see below), whose sum is σ = 131637184. Its totient is φ = 49363920.

The previous prime is 86386879. The next prime is 86386889. The reversal of 86386881 is 18868368.

It is a happy number.

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

It is not a de Polignac number, because 86386881 - 2¹ = 86386879 is a prime.

It is a super-2 number, since 2×86386881² = 14925386417816322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86386881.

It is not an unprimeable number, because it can be changed into a prime (86386889) 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, 2056810 + ... + 2056851.

It is an arithmetic number, because the mean of its divisors is an integer number (16454648).

Almost surely, 2^86386881 is an apocalyptic number.

It is an amenable number.

86386881 is a deficient number, since it is larger than the sum of its proper divisors (45250303).

86386881 is a wasteful number, since it uses less digits than its factorization.

86386881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113671.

The product of its digits is 442368, while the sum is 48.

The square root of 86386881 is about 9294.4543142672. The cubic root of 86386881 is about 442.0614033296.

The spelling of 86386881 in words is "eighty-six million, three hundred eighty-six thousand, eight hundred eighty-one".