64085655 has 8 divisors (see below), whose sum is σ = 102537072. Its totient is φ = 34179008.

The previous prime is 64085653. The next prime is 64085663. The reversal of 64085655 is 55658046.

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 64085655 - 2¹ = 64085653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64085653) by changing a digit.

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, 2136174 + ... + 2136203.

It is an arithmetic number, because the mean of its divisors is an integer number (12817134).

Almost surely, 2^64085655 is an apocalyptic number.

64085655 is a deficient number, since it is larger than the sum of its proper divisors (38451417).

64085655 is a wasteful number, since it uses less digits than its factorization.

64085655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272385.

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

The square root of 64085655 is about 8005.3516474918. The cubic root of 64085655 is about 400.1783683667.

The spelling of 64085655 in words is "sixty-four million, eighty-five thousand, six hundred fifty-five".