447896538855 has 48 divisors (see below), whose sum is σ = 818784102240. Its totient is φ = 225871027200.

The previous prime is 447896538851. The next prime is 447896538913. The reversal of 447896538855 is 558835698744.

447896538855 is a `hidden beast` number, since 4 + 4 + 7 + 8 + 9 + 6 + 538 + 85 + 5 = 666.

It is not a de Polignac number, because 447896538855 - 2² = 447896538851 is a prime.

It is a super-3 number, since 3×447896538855³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447896538851) 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, 57286 + ... + 948195.

It is an arithmetic number, because the mean of its divisors is an integer number (17058002130).

Almost surely, 2^447896538855 is an apocalyptic number.

447896538855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

447896538855 is a deficient number, since it is larger than the sum of its proper divisors (370887563385).

447896538855 is a wasteful number, since it uses less digits than its factorization.

447896538855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006032 (or 1006029 counting only the distinct ones).

The product of its digits is 1161216000, while the sum is 72.

The spelling of 447896538855 in words is "four hundred forty-seven billion, eight hundred ninety-six million, five hundred thirty-eight thousand, eight hundred fifty-five".