447879159 has 48 divisors (see below), whose sum is σ = 831260640. Its totient is φ = 236234880.

The previous prime is 447879149. The next prime is 447879169. The reversal of 447879159 is 951978744.

It is an interprime number because it is at equal distance from previous prime (447879149) and next prime (447879169).

It is not a de Polignac number, because 447879159 - 2⁴ = 447879143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447879109) 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, 4179 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (17317930).

Almost surely, 2^447879159 is an apocalyptic number.

447879159 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

447879159 is a deficient number, since it is larger than the sum of its proper divisors (383381481).

447879159 is a wasteful number, since it uses less digits than its factorization.

447879159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26077 (or 26064 counting only the distinct ones).

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

The square root of 447879159 is about 21163.1556956896. The cubic root of 447879159 is about 765.1036691494.

The spelling of 447879159 in words is "four hundred forty-seven million, eight hundred seventy-nine thousand, one hundred fifty-nine".