447867373851 has 16 divisors (see below), whose sum is σ = 672852395520. Its totient is φ = 294372920520.

The previous prime is 447867373843. The next prime is 447867373859. The reversal of 447867373851 is 158373768744.

447867373851 is a `hidden beast` number, since 447 + 8 + 6 + 73 + 73 + 8 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (447867373843) and next prime (447867373859).

It is not a de Polignac number, because 447867373851 - 2³ = 447867373843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447867373859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116812735 + ... + 116816568.

It is an arithmetic number, because the mean of its divisors is an integer number (42053274720).

Almost surely, 2^447867373851 is an apocalyptic number.

447867373851 is a deficient number, since it is larger than the sum of its proper divisors (224985021669).

447867373851 is a wasteful number, since it uses less digits than its factorization.

447867373851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233629383 (or 233629377 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 447867373851 in words is "four hundred forty-seven billion, eight hundred sixty-seven million, three hundred seventy-three thousand, eight hundred fifty-one".