87750875205 has 64 divisors (see below), whose sum is σ = 178861363200. Its totient is φ = 39985565760.

The previous prime is 87750875203. The next prime is 87750875231. The reversal of 87750875205 is 50257805778.

87750875205 is a `hidden beast` number, since 87 + 7 + 508 + 7 + 52 + 0 + 5 = 666.

It is not a de Polignac number, because 87750875205 - 2¹ = 87750875203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87750875203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144606 + ... + 443184.

It is an arithmetic number, because the mean of its divisors is an integer number (2794708800).

Almost surely, 2^87750875205 is an apocalyptic number.

It is an amenable number.

87750875205 is an abundant number, since it is smaller than the sum of its proper divisors (91110487995).

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

87750875205 is a wasteful number, since it uses less digits than its factorization.

87750875205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298911 (or 298905 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 54.

The spelling of 87750875205 in words is "eighty-seven billion, seven hundred fifty million, eight hundred seventy-five thousand, two hundred five".