84647912312 has 32 divisors (see below), whose sum is σ = 164461222800. Its totient is φ = 40796448000.

The previous prime is 84647912311. The next prime is 84647912353. The reversal of 84647912312 is 21321974648.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84647912311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164114 + ... + 442977.

Almost surely, 2^84647912312 is an apocalyptic number.

It is an amenable number.

84647912312 is a deficient number, since it is larger than the sum of its proper divisors (79813310488).

84647912312 is a wasteful number, since it uses less digits than its factorization.

84647912312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607727 (or 607723 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The spelling of 84647912312 in words is "eighty-four billion, six hundred forty-seven million, nine hundred twelve thousand, three hundred twelve".