87968188036 has 12 divisors (see below), whose sum is σ = 154173077212. Its totient is φ = 43918737408.

The previous prime is 87968188031. The next prime is 87968188051. The reversal of 87968188036 is 63088186978.

It can be written as a sum of positive squares in 2 ways, for example, as 34373160000 + 53595028036 = 185400^2 + 231506^2 .

It is not an unprimeable number, because it can be changed into a prime (87968188031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16336125 + ... + 16341508.

Almost surely, 2^87968188036 is an apocalyptic number.

It is an amenable number.

87968188036 is a deficient number, since it is larger than the sum of its proper divisors (66204889176).

87968188036 is a wasteful number, since it uses less digits than its factorization.

87968188036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32678310 (or 32678308 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 87968188036 in words is "eighty-seven billion, nine hundred sixty-eight million, one hundred eighty-eight thousand, thirty-six".