88886666668890 has 64 divisors (see below), whose sum is σ = 213401865830400. Its totient is φ = 23694905070144.

The previous prime is 88886666668859. The next prime is 88886666668909. The reversal of 88886666668890 is 9886666668888.

It is a junction number, because it is equal to n+sod(n) for n = 88886666668794 and 88886666668803.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1382793771 + ... + 1382858049.

It is an arithmetic number, because the mean of its divisors is an integer number (3334404153600).

Almost surely, 2^{88886666668890} is an apocalyptic number.

88886666668890 is an abundant number, since it is smaller than the sum of its proper divisors (124515199161510).

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

88886666668890 is a wasteful number, since it uses less digits than its factorization.

88886666668890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79531.

The product of its (nonzero) digits is 110075314176, while the sum is 93.

The spelling of 88886666668890 in words is "eighty-eight trillion, eight hundred eighty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, eight hundred ninety".