84136276816 has 40 divisors (see below), whose sum is σ = 170250246144. Its totient is φ = 40203926400.

The previous prime is 84136276789. The next prime is 84136276823. The reversal of 84136276816 is 61867263148.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 324250 + ... + 522886.

Almost surely, 2^84136276816 is an apocalyptic number.

It is an amenable number.

84136276816 is an abundant number, since it is smaller than the sum of its proper divisors (86113969328).

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

84136276816 is a wasteful number, since it uses less digits than its factorization.

84136276816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199819 (or 199813 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 84136276816 in words is "eighty-four billion, one hundred thirty-six million, two hundred seventy-six thousand, eight hundred sixteen".