84463247 has 4 divisors (see below), whose sum is σ = 92141736. Its totient is φ = 76784760.

The previous prime is 84463231. The next prime is 84463273. The reversal of 84463247 is 74236448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84463247 - 2⁴ = 84463231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84463247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84463297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839228 + ... + 3839249.

It is an arithmetic number, because the mean of its divisors is an integer number (23035434).

Almost surely, 2^84463247 is an apocalyptic number.

84463247 is a deficient number, since it is larger than the sum of its proper divisors (7678489).

84463247 is a wasteful number, since it uses less digits than its factorization.

84463247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678488.

The product of its digits is 129024, while the sum is 38.

The square root of 84463247 is about 9190.3888383463. The cubic root of 84463247 is about 438.7555175536.

The spelling of 84463247 in words is "eighty-four million, four hundred sixty-three thousand, two hundred forty-seven".