84807012 has 12 divisors (see below), whose sum is σ = 197883056. Its totient is φ = 28269000.

The previous prime is 84807001. The next prime is 84807017. The reversal of 84807012 is 21070848.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (84807017) 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 in 3 ways as a sum of consecutive naturals, for example, 3533614 + ... + 3533637.

Almost surely, 2^84807012 is an apocalyptic number.

It is an amenable number.

84807012 is an abundant number, since it is smaller than the sum of its proper divisors (113076044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84807012 is a wasteful number, since it uses less digits than its factorization.

84807012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067258 (or 7067256 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 84807012 is about 9209.0722659777. The cubic root of 84807012 is about 439.3499560939.

The spelling of 84807012 in words is "eighty-four million, eight hundred seven thousand, twelve".