447820889534 has 16 divisors (see below), whose sum is σ = 701132931072. Its totient is φ = 214115353848.

The previous prime is 447820889533. The next prime is 447820889567. The reversal of 447820889534 is 435988028744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447820889533) 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, 1193714 + ... + 1523349.

It is an arithmetic number, because the mean of its divisors is an integer number (43820808192).

Almost surely, 2^447820889534 is an apocalyptic number.

447820889534 is a deficient number, since it is larger than the sum of its proper divisors (253312041538).

447820889534 is a wasteful number, since it uses less digits than its factorization.

447820889534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720671.

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 447820889534 in words is "four hundred forty-seven billion, eight hundred twenty million, eight hundred eighty-nine thousand, five hundred thirty-four".