80109927 has 6 divisors (see below), whose sum is σ = 115714352. Its totient is φ = 53406612.

The previous prime is 80109917. The next prime is 80109929. The reversal of 80109927 is 72990108.

It is a happy number.

It is not a de Polignac number, because 80109927 - 2⁶ = 80109863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80109891 and 80109900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80109929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4450543 + ... + 4450560.

Almost surely, 2^80109927 is an apocalyptic number.

80109927 is a deficient number, since it is larger than the sum of its proper divisors (35604425).

80109927 is a wasteful number, since it uses less digits than its factorization.

80109927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901109 (or 8901106 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 80109927 is about 8950.4149065839. The cubic root of 80109927 is about 431.0842064644.

The spelling of 80109927 in words is "eighty million, one hundred nine thousand, nine hundred twenty-seven".