64567725282 has 24 divisors (see below), whose sum is σ = 140755006704. Its totient is φ = 21390533784.

The previous prime is 64567725281. The next prime is 64567725371. The reversal of 64567725282 is 28252776546.

64567725282 is a `hidden beast` number, since 6 + 4 + 567 + 72 + 5 + 2 + 8 + 2 = 666.

It is a super-2 number, since 2×64567725282² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64567725281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11000428 + ... + 11006295.

It is an arithmetic number, because the mean of its divisors is an integer number (5864791946).

Almost surely, 2^64567725282 is an apocalyptic number.

64567725282 is an abundant number, since it is smaller than the sum of its proper divisors (76187281422).

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

64567725282 is a wasteful number, since it uses less digits than its factorization.

64567725282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22006894 (or 22006891 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 64567725282 in words is "sixty-four billion, five hundred sixty-seven million, seven hundred twenty-five thousand, two hundred eighty-two".