84004663542 has 32 divisors (see below), whose sum is σ = 170713923840. Its totient is φ = 27554191200.

The previous prime is 84004663541. The next prime is 84004663579. The reversal of 84004663542 is 24536640048.

It is a junction number, because it is equal to n+sod(n) for n = 84004663494 and 84004663503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84004663541) 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 15 ways as a sum of consecutive naturals, for example, 326442 + ... + 523997.

It is an arithmetic number, because the mean of its divisors is an integer number (5334810120).

Almost surely, 2^84004663542 is an apocalyptic number.

84004663542 is an abundant number, since it is smaller than the sum of its proper divisors (86709260298).

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

84004663542 is a wasteful number, since it uses less digits than its factorization.

84004663542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850708.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 84004663542 in words is "eighty-four billion, four million, six hundred sixty-three thousand, five hundred forty-two".