84712216 has 8 divisors (see below), whose sum is σ = 158835420. Its totient is φ = 42356104.

The previous prime is 84712211. The next prime is 84712217. The reversal of 84712216 is 61221748.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84712211) by changing a digit.

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, 5294506 + ... + 5294521.

Almost surely, 2^84712216 is an apocalyptic number.

It is an amenable number.

84712216 is a deficient number, since it is larger than the sum of its proper divisors (74123204).

84712216 is a wasteful number, since it uses less digits than its factorization.

84712216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589033 (or 10589029 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 84712216 is about 9203.9239457962. The cubic root of 84712216 is about 439.1861954757.

The spelling of 84712216 in words is "eighty-four million, seven hundred twelve thousand, two hundred sixteen".