447898087081 has 8 divisors (see below), whose sum is σ = 453856521600. Its totient is φ = 441946873680.

The previous prime is 447898087027. The next prime is 447898087093. The reversal of 447898087081 is 180780898744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447898087081 - 2⁹ = 447898086569 is a prime.

It is a super-2 number, since 2×447898087081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447898027081) 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 7 ways as a sum of consecutive naturals, for example, 1680346 + ... + 1928563.

It is an arithmetic number, because the mean of its divisors is an integer number (56732065200).

Almost surely, 2^447898087081 is an apocalyptic number.

It is an amenable number.

447898087081 is a deficient number, since it is larger than the sum of its proper divisors (5958434519).

447898087081 is a wasteful number, since it uses less digits than its factorization.

447898087081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610559.

The product of its (nonzero) digits is 28901376, while the sum is 64.

The spelling of 447898087081 in words is "four hundred forty-seven billion, eight hundred ninety-eight million, eighty-seven thousand, eighty-one".