447469677846 has 24 divisors (see below), whose sum is σ = 969529939560. Its totient is φ = 149154666336.

The previous prime is 447469677817. The next prime is 447469677881. The reversal of 447469677846 is 648776964744.

It is a happy number.

447469677846 is a `hidden beast` number, since 4 + 474 + 6 + 9 + 6 + 77 + 84 + 6 = 666.

It is a super-2 number, since 2×447469677846² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2669221 + ... + 2831903.

It is an arithmetic number, because the mean of its divisors is an integer number (40397080815).

Almost surely, 2^447469677846 is an apocalyptic number.

447469677846 is an abundant number, since it is smaller than the sum of its proper divisors (522060261714).

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

447469677846 is a wasteful number, since it uses less digits than its factorization.

447469677846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315500 (or 315497 counting only the distinct ones).

The product of its digits is 1365590016, while the sum is 72.

The spelling of 447469677846 in words is "four hundred forty-seven billion, four hundred sixty-nine million, six hundred seventy-seven thousand, eight hundred forty-six".