84552823 has 2 divisors, whose sum is σ = 84552824. Its totient is φ = 84552822.

The previous prime is 84552799. The next prime is 84552829. The reversal of 84552823 is 32825548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84552823 - 2¹³ = 84544631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84552829) 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 as a sum of consecutive naturals, namely, 42276411 + 42276412.

It is an arithmetic number, because the mean of its divisors is an integer number (42276412).

Almost surely, 2^84552823 is an apocalyptic number.

84552823 is a deficient number, since it is larger than the sum of its proper divisors (1).

84552823 is an equidigital number, since it uses as much as digits as its factorization.

84552823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 37.

The square root of 84552823 is about 9195.2608989631. The cubic root of 84552823 is about 438.9105675513.

The spelling of 84552823 in words is "eighty-four million, five hundred fifty-two thousand, eight hundred twenty-three".