87928588816 has 40 divisors (see below), whose sum is σ = 185511787200. Its totient is φ = 40214160000.

The previous prime is 87928588777. The next prime is 87928588831. The reversal of 87928588816 is 61888582978.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4978060 + ... + 4995691.

It is an arithmetic number, because the mean of its divisors is an integer number (4637794680).

Almost surely, 2^87928588816 is an apocalyptic number.

It is an amenable number.

87928588816 is an abundant number, since it is smaller than the sum of its proper divisors (97583198384).

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

87928588816 is a wasteful number, since it uses less digits than its factorization.

87928588816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973807 (or 9973801 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 70.

The spelling of 87928588816 in words is "eighty-seven billion, nine hundred twenty-eight million, five hundred eighty-eight thousand, eight hundred sixteen".