86855655 has 8 divisors (see below), whose sum is σ = 138969072. Its totient is φ = 46323008.

The previous prime is 86855641. The next prime is 86855683. The reversal of 86855655 is 55655868.

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 86855655 - 2⁵ = 86855623 is a prime.

It is a congruent 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, 2895174 + ... + 2895203.

It is an arithmetic number, because the mean of its divisors is an integer number (17371134).

Almost surely, 2^86855655 is an apocalyptic number.

86855655 is a deficient number, since it is larger than the sum of its proper divisors (52113417).

86855655 is a wasteful number, since it uses less digits than its factorization.

86855655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790385.

The product of its digits is 1440000, while the sum is 48.

The square root of 86855655 is about 9319.6381367519. The cubic root of 86855655 is about 442.8595692102.

The spelling of 86855655 in words is "eighty-six million, eight hundred fifty-five thousand, six hundred fifty-five".