84468447 has 64 divisors (see below), whose sum is σ = 150589440. Its totient is φ = 45785088.

The previous prime is 84468409. The next prime is 84468457. The reversal of 84468447 is 74486448.

It is not a de Polignac number, because 84468447 - 2⁸ = 84468191 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84468457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328543 + ... + 328799.

It is an arithmetic number, because the mean of its divisors is an integer number (2352960).

Almost surely, 2^84468447 is an apocalyptic number.

84468447 is a deficient number, since it is larger than the sum of its proper divisors (66120993).

84468447 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (84468446) it forms an eRAP, since the sums of their prime factors are consecutive (356 and 357).

84468447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 84468447 is about 9190.6717382355. The cubic root of 84468447 is about 438.7645213983.

The spelling of 84468447 in words is "eighty-four million, four hundred sixty-eight thousand, four hundred forty-seven".