64872255 has 32 divisors (see below), whose sum is σ = 125604864. Its totient is φ = 27910656.

The previous prime is 64872239. The next prime is 64872263. The reversal of 64872255 is 55227846.

It is not a de Polignac number, because 64872255 - 2⁴ = 64872239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16387 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (3925152).

Almost surely, 2^64872255 is an apocalyptic number.

64872255 is a deficient number, since it is larger than the sum of its proper divisors (60732609).

64872255 is a wasteful number, since it uses less digits than its factorization.

64872255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36375.

The product of its digits is 134400, while the sum is 39.

The square root of 64872255 is about 8054.3314433912. The cubic root of 64872255 is about 401.8090043416.

The spelling of 64872255 in words is "sixty-four million, eight hundred seventy-two thousand, two hundred fifty-five".