86481966 has 8 divisors (see below), whose sum is σ = 172963944. Its totient is φ = 28827320.

The previous prime is 86481961. The next prime is 86481991. The reversal of 86481966 is 66918468.

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

86481966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86481961) 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, 7206825 + ... + 7206836.

It is an arithmetic number, because the mean of its divisors is an integer number (21620493).

Almost surely, 2^86481966 is an apocalyptic number.

86481966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86481966 is a wasteful number, since it uses less digits than its factorization.

86481966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14413666.

The product of its digits is 497664, while the sum is 48.

The square root of 86481966 is about 9299.5680544851. The cubic root of 86481966 is about 442.2235344140.

The spelling of 86481966 in words is "eighty-six million, four hundred eighty-one thousand, nine hundred sixty-six".