86655228 has 24 divisors (see below), whose sum is σ = 220577280. Its totient is φ = 26259120.

The previous prime is 86655227. The next prime is 86655251. The reversal of 86655228 is 82255668.

It is a self number, because there is not a number n which added to its sum of digits gives 86655228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86655227) 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, 328108 + ... + 328371.

It is an arithmetic number, because the mean of its divisors is an integer number (9190720).

Almost surely, 2^86655228 is an apocalyptic number.

It is an amenable number.

86655228 is an abundant number, since it is smaller than the sum of its proper divisors (133922052).

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

86655228 is a wasteful number, since it uses less digits than its factorization.

86655228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656497 (or 656495 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 86655228 is about 9308.8789872895. The cubic root of 86655228 is about 442.5186611556.

The spelling of 86655228 in words is "eighty-six million, six hundred fifty-five thousand, two hundred twenty-eight".