64575885 has 48 divisors (see below), whose sum is σ = 116137728. Its totient is φ = 30602880.

The previous prime is 64575857. The next prime is 64575887. The reversal of 64575885 is 58857546.

It is not a de Polignac number, because 64575885 - 2⁵ = 64575853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64575887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84927 + ... + 85683.

It is an arithmetic number, because the mean of its divisors is an integer number (2419536).

Almost surely, 2^64575885 is an apocalyptic number.

It is an amenable number.

64575885 is a deficient number, since it is larger than the sum of its proper divisors (51561843).

64575885 is a wasteful number, since it uses less digits than its factorization.

64575885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 823 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 64575885 is about 8035.9122070864. The cubic root of 64575885 is about 401.1961797360.

The spelling of 64575885 in words is "sixty-four million, five hundred seventy-five thousand, eight hundred eighty-five".