84138004819736 has 32 divisors (see below), whose sum is σ = 189784973280000. Its totient is φ = 34161295189536.

The previous prime is 84138004819733. The next prime is 84138004819751. The reversal of 84138004819736 is 63791840083148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84138004819733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39538535036 + ... + 39538537163.

It is an arithmetic number, because the mean of its divisors is an integer number (5930780415000).

Almost surely, 2^{84138004819736} is an apocalyptic number.

It is an amenable number.

84138004819736 is an abundant number, since it is smaller than the sum of its proper divisors (105646968460264).

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

84138004819736 is a wasteful number, since it uses less digits than its factorization.

84138004819736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79077072231 (or 79077072227 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 84138004819736 in words is "eighty-four trillion, one hundred thirty-eight billion, four million, eight hundred nineteen thousand, seven hundred thirty-six".