481827886389 has 48 divisors (see below), whose sum is σ = 710888690304. Its totient is φ = 314404675200.

The previous prime is 481827886373. The next prime is 481827886391. The reversal of 481827886389 is 983688728184.

481827886389 is a `hidden beast` number, since 481 + 8 + 2 + 7 + 8 + 8 + 63 + 89 = 666.

It is not a de Polignac number, because 481827886389 - 2⁴ = 481827886373 is a prime.

It is a super-2 number, since 2×481827886389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481827886789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123007459 + ... + 123011375.

It is an arithmetic number, because the mean of its divisors is an integer number (14810181048).

Almost surely, 2^481827886389 is an apocalyptic number.

It is an amenable number.

481827886389 is a deficient number, since it is larger than the sum of its proper divisors (229060803915).

481827886389 is a wasteful number, since it uses less digits than its factorization.

481827886389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5335 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 72.

The spelling of 481827886389 in words is "four hundred eighty-one billion, eight hundred twenty-seven million, eight hundred eighty-six thousand, three hundred eighty-nine".