64846255 has 4 divisors (see below), whose sum is σ = 77815512. Its totient is φ = 51877000.

The previous prime is 64846253. The next prime is 64846273. The reversal of 64846255 is 55264846.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64846255 - 2¹ = 64846253 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64846253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6484621 + ... + 6484630.

It is an arithmetic number, because the mean of its divisors is an integer number (19453878).

Almost surely, 2^64846255 is an apocalyptic number.

64846255 is a deficient number, since it is larger than the sum of its proper divisors (12969257).

64846255 is a wasteful number, since it uses less digits than its factorization.

64846255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969256.

The product of its digits is 230400, while the sum is 40.

The square root of 64846255 is about 8052.7172432664. The cubic root of 64846255 is about 401.7553171369.

The spelling of 64846255 in words is "sixty-four million, eight hundred forty-six thousand, two hundred fifty-five".