447159798 has 16 divisors (see below), whose sum is σ = 993688560. Its totient is φ = 149053248.

The previous prime is 447159793. The next prime is 447159863. The reversal of 447159798 is 897951744.

447159798 is a `hidden beast` number, since 4 + 47 + 1 + 597 + 9 + 8 = 666.

It is a super-3 number, since 3×447159798³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 8280737 = 447159798 / (4 + 4 + 7 + 1 + 5 + 9 + 7 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447159793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140315 + ... + 4140422.

It is an arithmetic number, because the mean of its divisors is an integer number (62105535).

Almost surely, 2^447159798 is an apocalyptic number.

447159798 is an abundant number, since it is smaller than the sum of its proper divisors (546528762).

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

447159798 is a wasteful number, since it uses less digits than its factorization.

447159798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280748 (or 8280742 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 447159798 is about 21146.1532672021. The cubic root of 447159798 is about 764.6938259584.

The spelling of 447159798 in words is "four hundred forty-seven million, one hundred fifty-nine thousand, seven hundred ninety-eight".