84628564 has 12 divisors (see below), whose sum is σ = 148284864. Its totient is φ = 42261464.

The previous prime is 84628561. The next prime is 84628637. The reversal of 84628564 is 46582648.

It is a self number, because there is not a number n which added to its sum of digits gives 84628564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84628561) 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 3 ways as a sum of consecutive naturals, for example, 9484 + ... + 16099.

It is an arithmetic number, because the mean of its divisors is an integer number (12357072).

Almost surely, 2^84628564 is an apocalyptic number.

It is an amenable number.

84628564 is a deficient number, since it is larger than the sum of its proper divisors (63656300).

84628564 is a wasteful number, since it uses less digits than its factorization.

84628564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26414 (or 26412 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 84628564 is about 9199.3784572655. The cubic root of 84628564 is about 439.0415846785.

The spelling of 84628564 in words is "eighty-four million, six hundred twenty-eight thousand, five hundred sixty-four".