84121670304 has 144 divisors (see below), whose sum is σ = 277141056192. Its totient is φ = 23705478144.

The previous prime is 84121670293. The next prime is 84121670317. The reversal of 84121670304 is 40307612148.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138634 + ... + 432969.

It is an arithmetic number, because the mean of its divisors is an integer number (1924590668).

Almost surely, 2^84121670304 is an apocalyptic number.

84121670304 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84121670304 is an abundant number, since it is smaller than the sum of its proper divisors (193019385888).

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

84121670304 is a wasteful number, since it uses less digits than its factorization.

84121670304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571699 (or 571688 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 84121670304 in words is "eighty-four billion, one hundred twenty-one million, six hundred seventy thousand, three hundred four".