84945012 has 24 divisors (see below), whose sum is σ = 201165216. Its totient is φ = 27892128.

The previous prime is 84944999. The next prime is 84945019. The reversal of 84945012 is 21054948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84945019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52023 + ... + 53630.

It is an arithmetic number, because the mean of its divisors is an integer number (8381884).

Almost surely, 2^84945012 is an apocalyptic number.

It is an amenable number.

84945012 is an abundant number, since it is smaller than the sum of its proper divisors (116220204).

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

84945012 is a wasteful number, since it uses less digits than its factorization.

84945012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105727 (or 105725 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 84945012 is about 9216.5618318330. The cubic root of 84945012 is about 439.5881338729.

The spelling of 84945012 in words is "eighty-four million, nine hundred forty-five thousand, twelve".