87203638720 has 112 divisors (see below), whose sum is σ = 226918711008. Its totient is φ = 31656181760.

The previous prime is 87203638699. The next prime is 87203638733. The reversal of 87203638720 is 2783630278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066472 + ... + 2108248.

Almost surely, 2^87203638720 is an apocalyptic number.

87203638720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87203638720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113459355504).

87203638720 is an abundant number, since it is smaller than the sum of its proper divisors (139715072288).

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

87203638720 is a wasteful number, since it uses less digits than its factorization.

87203638720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42398 (or 42388 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 87203638720 in words is "eighty-seven billion, two hundred three million, six hundred thirty-eight thousand, seven hundred twenty".