84513512 has 8 divisors (see below), whose sum is σ = 158462850. Its totient is φ = 42256752.

The previous prime is 84513503. The next prime is 84513551. The reversal of 84513512 is 21531548.

It can be written as a sum of positive squares in only one way, i.e., 79103236 + 5410276 = 8894^2 + 2326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 5282087 + ... + 5282102.

Almost surely, 2^84513512 is an apocalyptic number.

It is an amenable number.

84513512 is a deficient number, since it is larger than the sum of its proper divisors (73949338).

84513512 is a wasteful number, since it uses less digits than its factorization.

84513512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10564195 (or 10564191 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 84513512 is about 9193.1230819564. The cubic root of 84513512 is about 438.8425363594.

The spelling of 84513512 in words is "eighty-four million, five hundred thirteen thousand, five hundred twelve".