447867373855 has 48 divisors (see below), whose sum is σ = 622036850400. Its totient is φ = 308477030400.

The previous prime is 447867373843. The next prime is 447867373859. The reversal of 447867373855 is 558373768744.

It is not a de Polignac number, because 447867373855 - 2¹¹ = 447867371807 is a prime.

It is a super-2 number, since 2×447867373855² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447867373859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57114735 + ... + 57122575.

It is an arithmetic number, because the mean of its divisors is an integer number (12959101050).

Almost surely, 2^447867373855 is an apocalyptic number.

447867373855 is a deficient number, since it is larger than the sum of its proper divisors (174169476545).

447867373855 is a wasteful number, since it uses less digits than its factorization.

447867373855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856 (or 12845 counting only the distinct ones).

The product of its digits is 474163200, while the sum is 67.

The spelling of 447867373855 in words is "four hundred forty-seven billion, eight hundred sixty-seven million, three hundred seventy-three thousand, eight hundred fifty-five".