88861321866 has 32 divisors (see below), whose sum is σ = 179076199680. Its totient is φ = 29395696064.

The previous prime is 88861321849. The next prime is 88861321873. The reversal of 88861321866 is 66812316888.

It is a happy 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, 314416 + ... + 525908.

It is an arithmetic number, because the mean of its divisors is an integer number (5596131240).

Almost surely, 2^88861321866 is an apocalyptic number.

88861321866 is an abundant number, since it is smaller than the sum of its proper divisors (90214877814).

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

88861321866 is a wasteful number, since it uses less digits than its factorization.

88861321866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212030.

The product of its digits is 5308416, while the sum is 57.

The spelling of 88861321866 in words is "eighty-eight billion, eight hundred sixty-one million, three hundred twenty-one thousand, eight hundred sixty-six".