84003987928 has 16 divisors (see below), whose sum is σ = 180008545680. Its totient is φ = 36001709088.

The previous prime is 84003987917. The next prime is 84003987929. The reversal of 84003987928 is 82978930048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84003987929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750035551 + ... + 750035662.

It is an arithmetic number, because the mean of its divisors is an integer number (11250534105).

Almost surely, 2^84003987928 is an apocalyptic number.

It is an amenable number.

84003987928 is an abundant number, since it is smaller than the sum of its proper divisors (96004557752).

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

84003987928 is a wasteful number, since it uses less digits than its factorization.

84003987928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500071226 (or 1500071222 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 84003987928 in words is "eighty-four billion, three million, nine hundred eighty-seven thousand, nine hundred twenty-eight".