84121248804 has 24 divisors (see below), whose sum is σ = 196817755008. Its totient is φ = 27964010400.

The previous prime is 84121248787. The next prime is 84121248847. The reversal of 84121248804 is 40884212148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9546147 + ... + 9554954.

It is an arithmetic number, because the mean of its divisors is an integer number (8200739792).

Almost surely, 2^84121248804 is an apocalyptic number.

It is an amenable number.

84121248804 is an abundant number, since it is smaller than the sum of its proper divisors (112696506204).

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

84121248804 is a wasteful number, since it uses less digits than its factorization.

84121248804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101475 (or 19101473 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The spelling of 84121248804 in words is "eighty-four billion, one hundred twenty-one million, two hundred forty-eight thousand, eight hundred four".