80891106 has 8 divisors (see below), whose sum is σ = 161782224. Its totient is φ = 26963700.

The previous prime is 80891087. The next prime is 80891119. The reversal of 80891106 is 60119808.

It is a sphenic number, since it is the product of 3 distinct primes.

80891106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6740920 + ... + 6740931.

It is an arithmetic number, because the mean of its divisors is an integer number (20222778).

Almost surely, 2^80891106 is an apocalyptic number.

80891106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80891106 is a wasteful number, since it uses less digits than its factorization.

80891106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481856.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 80891106 is about 8993.9482987173. The cubic root of 80891106 is about 432.4808923809.

The spelling of 80891106 in words is "eighty million, eight hundred ninety-one thousand, one hundred six".