64000255 has 8 divisors (see below), whose sum is σ = 83782224. Its totient is φ = 46545600.

The previous prime is 64000249. The next prime is 64000273. The reversal of 64000255 is 55200046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64000255 - 2³ = 64000247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581766 + ... + 581875.

It is an arithmetic number, because the mean of its divisors is an integer number (10472778).

Almost surely, 2^64000255 is an apocalyptic number.

64000255 is a deficient number, since it is larger than the sum of its proper divisors (19781969).

64000255 is a wasteful number, since it uses less digits than its factorization.

64000255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163657.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 64000255 is about 8000.0159374841. The cubic root of 64000255 is about 400.0005312493. Note that the first 3 decimals are identical.

The spelling of 64000255 in words is "sixty-four million, two hundred fifty-five", and thus it is an aban number.