395727885522 has 54 divisors (see below), whose sum is σ = 886146295671. Its totient is φ = 127627467480.

The previous prime is 395727885503. The next prime is 395727885551. The reversal of 395727885522 is 225588727593.

395727885522 is a `hidden beast` number, since 3 + 9 + 5 + 7 + 2 + 78 + 8 + 552 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197863942761 + 197863942761 = 444819^2 + 444819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=444819.

It is a self number, because there is not a number n which added to its sum of digits gives 395727885522.

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 26 ways as a sum of consecutive naturals, for example, 82733943 + ... + 82738725.

Almost surely, 2^395727885522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395727885522

395727885522 is an abundant number, since it is smaller than the sum of its proper divisors (490418410149).

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

395727885522 is an frugal number, since it uses more digits than its factorization.

395727885522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636 (or 4819 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 395727885522 in words is "three hundred ninety-five billion, seven hundred twenty-seven million, eight hundred eighty-five thousand, five hundred twenty-two".