80108801892 has 108 divisors (see below), whose sum is σ = 236317064256. Its totient is φ = 22814477280.

The previous prime is 80108801881. The next prime is 80108801909. The reversal of 80108801892 is 29810880108.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 475593 + ... + 621615.

Almost surely, 2^80108801892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80108801892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118158532128).

80108801892 is an abundant number, since it is smaller than the sum of its proper divisors (156208262364).

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

80108801892 is a wasteful number, since it uses less digits than its factorization.

80108801892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146358 (or 146346 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The spelling of 80108801892 in words is "eighty billion, one hundred eight million, eight hundred one thousand, eight hundred ninety-two".