84807453 has 4 divisors (see below), whose sum is σ = 113076608. Its totient is φ = 56538300.

The previous prime is 84807421. The next prime is 84807479. The reversal of 84807453 is 35470848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84807453 - 2⁵ = 84807421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84807403) 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, 14134573 + ... + 14134578.

It is an arithmetic number, because the mean of its divisors is an integer number (28269152).

Almost surely, 2^84807453 is an apocalyptic number.

It is an amenable number.

84807453 is a deficient number, since it is larger than the sum of its proper divisors (28269155).

84807453 is a wasteful number, since it uses less digits than its factorization.

84807453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28269154.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 84807453 is about 9209.0962097266. The cubic root of 84807453 is about 439.3507176386.

The spelling of 84807453 in words is "eighty-four million, eight hundred seven thousand, four hundred fifty-three".