84674112321312 has 72 divisors (see below), whose sum is σ = 240793545230784. Its totient is φ = 28224523791744.

The previous prime is 84674112321311. The next prime is 84674112321319. The reversal of 84674112321312 is 21312321147648.

84674112321312 is a `hidden beast` number, since 8 + 4 + 6 + 7 + 4 + 1 + 1 + 2 + 321 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (84674112321311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48781813 + ... + 50487755.

It is an arithmetic number, because the mean of its divisors is an integer number (3344354794872).

Almost surely, 2^{84674112321312} is an apocalyptic number.

It is an amenable number.

84674112321312 is an abundant number, since it is smaller than the sum of its proper divisors (156119432909472).

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

84674112321312 is a wasteful number, since it uses less digits than its factorization.

84674112321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878302 (or 1878291 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 84674112321312 in words is "eighty-four trillion, six hundred seventy-four billion, one hundred twelve million, three hundred twenty-one thousand, three hundred twelve".