447420178808 has 32 divisors (see below), whose sum is σ = 865141830000. Its totient is φ = 216788931840.

The previous prime is 447420178753. The next prime is 447420178813. The reversal of 447420178808 is 808871024744.

It is a self number, because there is not a number n which added to its sum of digits gives 447420178808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4528598 + ... + 4626341.

Almost surely, 2^447420178808 is an apocalyptic number.

It is an amenable number.

447420178808 is a deficient number, since it is larger than the sum of its proper divisors (417721651192).

447420178808 is a wasteful number, since it uses less digits than its factorization.

447420178808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155135 (or 9155131 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 53.

The spelling of 447420178808 in words is "four hundred forty-seven billion, four hundred twenty million, one hundred seventy-eight thousand, eight hundred eight".