86406555 has 8 divisors (see below), whose sum is σ = 138250512. Its totient is φ = 46083488.

The previous prime is 86406553. The next prime is 86406583. The reversal of 86406555 is 55560468.

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 86406555 - 2¹ = 86406553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86406553) 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, 2880204 + ... + 2880233.

It is an arithmetic number, because the mean of its divisors is an integer number (17281314).

Almost surely, 2^86406555 is an apocalyptic number.

86406555 is a deficient number, since it is larger than the sum of its proper divisors (51843957).

86406555 is a wasteful number, since it uses less digits than its factorization.

86406555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760445.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 86406555 is about 9295.5126270690. The cubic root of 86406555 is about 442.0949595664.

The spelling of 86406555 in words is "eighty-six million, four hundred six thousand, five hundred fifty-five".