87684088218 has 64 divisors (see below), whose sum is σ = 182435742720. Its totient is φ = 28073404800.

The previous prime is 87684088211. The next prime is 87684088223. The reversal of 87684088218 is 81288048678.

It is not an unprimeable number, because it can be changed into a prime (87684088211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13742553 + ... + 13748931.

It is an arithmetic number, because the mean of its divisors is an integer number (2850558480).

Almost surely, 2^87684088218 is an apocalyptic number.

87684088218 is an abundant number, since it is smaller than the sum of its proper divisors (94751654502).

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

87684088218 is a wasteful number, since it uses less digits than its factorization.

87684088218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283.

The product of its (nonzero) digits is 11010048, while the sum is 60.

The spelling of 87684088218 in words is "eighty-seven billion, six hundred eighty-four million, eighty-eight thousand, two hundred eighteen".