84579453 has 12 divisors (see below), whose sum is σ = 139623328. Its totient is φ = 48331080.

The previous prime is 84579449. The next prime is 84579463. The reversal of 84579453 is 35497548.

It is not a de Polignac number, because 84579453 - 2² = 84579449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84579399 and 84579408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84579463) 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 11 ways as a sum of consecutive naturals, for example, 671203 + ... + 671328.

Almost surely, 2^84579453 is an apocalyptic number.

It is an amenable number.

84579453 is a deficient number, since it is larger than the sum of its proper divisors (55043875).

84579453 is a wasteful number, since it uses less digits than its factorization.

84579453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342544 (or 1342541 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 84579453 is about 9196.7088134832. The cubic root of 84579453 is about 438.9566411620.

The spelling of 84579453 in words is "eighty-four million, five hundred seventy-nine thousand, four hundred fifty-three".