84891875136 has 56 divisors (see below), whose sum is σ = 224912432064. Its totient is φ = 28259159040.

The previous prime is 84891875083. The next prime is 84891875143. The reversal of 84891875136 is 63157819848.

It is a self number, because there is not a number n which added to its sum of digits gives 84891875136.

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, 154885 + ... + 440196.

Almost surely, 2^84891875136 is an apocalyptic number.

It is an amenable number.

84891875136 is an abundant number, since it is smaller than the sum of its proper divisors (140020556928).

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

84891875136 is a wasteful number, since it uses less digits than its factorization.

84891875136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595839 (or 595829 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 60.

The spelling of 84891875136 in words is "eighty-four billion, eight hundred ninety-one million, eight hundred seventy-five thousand, one hundred thirty-six".