64575005868 has 48 divisors (see below), whose sum is σ = 167473864320. Its totient is φ = 21517650000.

The previous prime is 64575005857. The next prime is 64575005879. The reversal of 64575005868 is 86850057546.

64575005868 is a `hidden beast` number, since 6 + 4 + 5 + 7 + 50 + 0 + 586 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (64575005857) and next prime (64575005879).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220243 + ... + 421493.

It is an arithmetic number, because the mean of its divisors is an integer number (3489038840).

Almost surely, 2^64575005868 is an apocalyptic number.

It is an amenable number.

64575005868 is an abundant number, since it is smaller than the sum of its proper divisors (102898858452).

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

64575005868 is a wasteful number, since it uses less digits than its factorization.

64575005868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204235 (or 204227 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 64575005868 in words is "sixty-four billion, five hundred seventy-five million, five thousand, eight hundred sixty-eight".