87836704385020 has 12 divisors (see below), whose sum is σ = 184457079208584. Its totient is φ = 35134681754000.

The previous prime is 87836704384843. The next prime is 87836704385069. The reversal of 87836704385020 is 2058340763878.

It is a self number, because there is not a number n which added to its sum of digits gives 87836704385020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195917609606 + ... + 2195917609645.

It is an arithmetic number, because the mean of its divisors is an integer number (15371423267382).

Almost surely, 2^{87836704385020} is an apocalyptic number.

It is an amenable number.

87836704385020 is an abundant number, since it is smaller than the sum of its proper divisors (96620374823564).

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

87836704385020 is a wasteful number, since it uses less digits than its factorization.

87836704385020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391835219260 (or 4391835219258 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 87836704385020 in words is "eighty-seven trillion, eight hundred thirty-six billion, seven hundred four million, three hundred eighty-five thousand, twenty".