86656461 has 8 divisors (see below), whose sum is σ = 115636224. Its totient is φ = 57723840.

The previous prime is 86656447. The next prime is 86656483. The reversal of 86656461 is 16465668.

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

It is not a de Polignac number, because 86656461 - 2¹¹ = 86654413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86656261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7245 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (14454528).

Almost surely, 2^86656461 is an apocalyptic number.

It is an amenable number.

86656461 is a deficient number, since it is larger than the sum of its proper divisors (28979763).

86656461 is a wasteful number, since it uses less digits than its factorization.

86656461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23571.

The product of its digits is 207360, while the sum is 42.

The square root of 86656461 is about 9308.9452141475. The cubic root of 86656461 is about 442.5207599823.

The spelling of 86656461 in words is "eighty-six million, six hundred fifty-six thousand, four hundred sixty-one".