84784768 has 32 divisors (see below), whose sum is σ = 169343460. Its totient is φ = 42283008.

The previous prime is 84784751. The next prime is 84784771. The reversal of 84784768 is 86748748.

It can be written as a sum of positive squares in 2 ways, for example, as 80425024 + 4359744 = 8968^2 + 2088^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75346 + ... + 76462.

Almost surely, 2^84784768 is an apocalyptic number.

It is an amenable number.

84784768 is a deficient number, since it is larger than the sum of its proper divisors (84558692).

84784768 is a wasteful number, since it uses less digits than its factorization.

84784768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1712 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 52.

The square root of 84784768 is about 9207.8644646845. The cubic root of 84784768 is about 439.3115404222.

The spelling of 84784768 in words is "eighty-four million, seven hundred eighty-four thousand, seven hundred sixty-eight".