86986555 has 8 divisors (see below), whose sum is σ = 104479344. Its totient is φ = 69525600.

The previous prime is 86986531. The next prime is 86986597. The reversal of 86986555 is 55568968.

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 86986555 - 2⁹ = 86986043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 13270.

It is an arithmetic number, because the mean of its divisors is an integer number (13059918).

Almost surely, 2^86986555 is an apocalyptic number.

86986555 is a deficient number, since it is larger than the sum of its proper divisors (17492789).

86986555 is a wasteful number, since it uses less digits than its factorization.

86986555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15917.

The product of its digits is 2592000, while the sum is 52.

The square root of 86986555 is about 9326.6582975898. The cubic root of 86986555 is about 443.0819351562.

The spelling of 86986555 in words is "eighty-six million, nine hundred eighty-six thousand, five hundred fifty-five".