84785572 has 12 divisors (see below), whose sum is σ = 148928220. Its totient is φ = 42234656.

The previous prime is 84785563. The next prime is 84785609. The reversal of 84785572 is 27558748.

It can be written as a sum of positive squares in 2 ways, for example, as 34857216 + 49928356 = 5904^2 + 7066^2 .

It is an unprimeable number.

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, 38323 + ... + 40474.

It is an arithmetic number, because the mean of its divisors is an integer number (12410685).

Almost surely, 2^84785572 is an apocalyptic number.

It is an amenable number.

84785572 is a deficient number, since it is larger than the sum of its proper divisors (64142648).

84785572 is a wasteful number, since it uses less digits than its factorization.

84785572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79070 (or 79068 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 84785572 is about 9207.9081229126. The cubic root of 84785572 is about 439.3129290575.

The spelling of 84785572 in words is "eighty-four million, seven hundred eighty-five thousand, five hundred seventy-two".