84236872764 has 48 divisors (see below), whose sum is σ = 214445387520. Its totient is φ = 25523437440.

The previous prime is 84236872729. The next prime is 84236872807. The reversal of 84236872764 is 46727863248.

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 15 ways as a sum of consecutive naturals, for example, 1330377 + ... + 1392255.

It is an arithmetic number, because the mean of its divisors is an integer number (4467612240).

Almost surely, 2^84236872764 is an apocalyptic number.

It is an amenable number.

84236872764 is an abundant number, since it is smaller than the sum of its proper divisors (130208514756).

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

84236872764 is a wasteful number, since it uses less digits than its factorization.

84236872764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72210 (or 72208 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 57.

The spelling of 84236872764 in words is "eighty-four billion, two hundred thirty-six million, eight hundred seventy-two thousand, seven hundred sixty-four".