80091927 has 12 divisors (see below), whose sum is σ = 115841544. Its totient is φ = 53323920.

The previous prime is 80091923. The next prime is 80091931. The reversal of 80091927 is 72919008.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80091923) and next prime (80091931).

It is not a de Polignac number, because 80091927 - 2² = 80091923 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80091891 and 80091900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80091923) 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 11 ways as a sum of consecutive naturals, for example, 1813 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (9653462).

Almost surely, 2^80091927 is an apocalyptic number.

80091927 is a deficient number, since it is larger than the sum of its proper divisors (35749617).

80091927 is a wasteful number, since it uses less digits than its factorization.

80091927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790 (or 11787 counting only the distinct ones).

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

The square root of 80091927 is about 8949.4093101165. The cubic root of 80091927 is about 431.0519170955.

It can be divided in two parts, 80091 and 927, that added together give a palindrome (81018).

The spelling of 80091927 in words is "eighty million, ninety-one thousand, nine hundred twenty-seven".