64808205 has 48 divisors (see below), whose sum is σ = 130284672. Its totient is φ = 26928000.

The previous prime is 64808173. The next prime is 64808213. The reversal of 64808205 is 50280846.

It is not a de Polignac number, because 64808205 - 2⁵ = 64808173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10155 + ... + 15255.

It is an arithmetic number, because the mean of its divisors is an integer number (2714264).

Almost surely, 2^64808205 is an apocalyptic number.

It is an amenable number.

64808205 is an abundant number, since it is smaller than the sum of its proper divisors (65476467).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64808205 is a wasteful number, since it uses less digits than its factorization.

64808205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 64808205 is about 8050.3543400275. The cubic root of 64808205 is about 401.6767221034.

The spelling of 64808205 in words is "sixty-four million, eight hundred eight thousand, two hundred five".