84344775 has 12 divisors (see below), whose sum is σ = 139450152. Its totient is φ = 44983840.

The previous prime is 84344737. The next prime is 84344779. The reversal of 84344775 is 57744348.

It is not a de Polignac number, because 84344775 - 2⁷ = 84344647 is a prime.

It is a super-2 number, since 2×84344775² = 14228082139601250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84344779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562224 + ... + 562373.

It is an arithmetic number, because the mean of its divisors is an integer number (11620846).

Almost surely, 2^84344775 is an apocalyptic number.

84344775 is a deficient number, since it is larger than the sum of its proper divisors (55105377).

84344775 is a wasteful number, since it uses less digits than its factorization.

84344775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124610 (or 1124605 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The square root of 84344775 is about 9183.9411474595. The cubic root of 84344775 is about 438.5502820704.

The spelling of 84344775 in words is "eighty-four million, three hundred forty-four thousand, seven hundred seventy-five".