64853853 has 8 divisors (see below), whose sum is σ = 86562528. Its totient is φ = 43190544.

The previous prime is 64853851. The next prime is 64853869. The reversal of 64853853 is 35835846.

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

It is not a de Polignac number, because 64853853 - 2¹ = 64853851 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64853851) 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, 7851 + ... + 13832.

It is an arithmetic number, because the mean of its divisors is an integer number (10820316).

Almost surely, 2^64853853 is an apocalyptic number.

It is an amenable number.

64853853 is a deficient number, since it is larger than the sum of its proper divisors (21708675).

64853853 is a wasteful number, since it uses less digits than its factorization.

64853853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22683.

The product of its digits is 345600, while the sum is 42.

The square root of 64853853 is about 8053.1889956712. The cubic root of 64853853 is about 401.7710076739.

The spelling of 64853853 in words is "sixty-four million, eight hundred fifty-three thousand, eight hundred fifty-three".