827454746564 has 24 divisors (see below), whose sum is σ = 1474052966400. Its totient is φ = 406351595520.

The previous prime is 827454746519. The next prime is 827454746621. The reversal of 827454746564 is 465647454728.

It is a super-2 number, since 2×827454746564² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 827454746497 and 827454746506.

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 7 ways as a sum of consecutive naturals, for example, 6794429 + ... + 6915140.

It is an arithmetic number, because the mean of its divisors is an integer number (61418873600).

Almost surely, 2^827454746564 is an apocalyptic number.

It is an amenable number.

827454746564 is a deficient number, since it is larger than the sum of its proper divisors (646598219836).

827454746564 is a wasteful number, since it uses less digits than its factorization.

827454746564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13709843 (or 13709841 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 62.

The spelling of 827454746564 in words is "eight hundred twenty-seven billion, four hundred fifty-four million, seven hundred forty-six thousand, five hundred sixty-four".