84684553 has 8 divisors (see below), whose sum is σ = 89470080. Its totient is φ = 80023440.

The previous prime is 84684541. The next prime is 84684569. The reversal of 84684553 is 35548648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84684553 - 2¹⁷ = 84553481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84684503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29703 + ... + 32428.

It is an arithmetic number, because the mean of its divisors is an integer number (11183760).

Almost surely, 2^84684553 is an apocalyptic number.

It is an amenable number.

84684553 is a deficient number, since it is larger than the sum of its proper divisors (4785527).

84684553 is a wasteful number, since it uses less digits than its factorization.

84684553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62207.

The product of its digits is 460800, while the sum is 43.

The square root of 84684553 is about 9202.4210401394. The cubic root of 84684553 is about 439.1383844633.

The spelling of 84684553 in words is "eighty-four million, six hundred eighty-four thousand, five hundred fifty-three".