80427109 has 8 divisors (see below), whose sum is σ = 92258048. Its totient is φ = 68681520.

The previous prime is 80427107. The next prime is 80427143. The reversal of 80427109 is 90172408.

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

It is a cyclic number.

It is not a de Polignac number, because 80427109 - 2¹ = 80427107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80427101) 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 7 ways as a sum of consecutive naturals, for example, 19302 + ... + 23095.

It is an arithmetic number, because the mean of its divisors is an integer number (11532256).

Almost surely, 2^80427109 is an apocalyptic number.

It is an amenable number.

80427109 is a deficient number, since it is larger than the sum of its proper divisors (11830939).

80427109 is a wasteful number, since it uses less digits than its factorization.

80427109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42675.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 80427109 is about 8968.1162459014. The cubic root of 80427109 is about 431.6523927707.

It can be divided in two parts, 8042 and 7109, that added together give a palindrome (15151).

The spelling of 80427109 in words is "eighty million, four hundred twenty-seven thousand, one hundred nine".