80891127 has 12 divisors (see below), whose sum is σ = 119560584. Its totient is φ = 52673040.

The previous prime is 80891119. The next prime is 80891137. The reversal of 80891127 is 72119808.

It is not a de Polignac number, because 80891127 - 2³ = 80891119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80891091 and 80891100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80891137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104124 + ... + 104897.

It is an arithmetic number, because the mean of its divisors is an integer number (9963382).

Almost surely, 2^80891127 is an apocalyptic number.

80891127 is a deficient number, since it is larger than the sum of its proper divisors (38669457).

80891127 is a wasteful number, since it uses less digits than its factorization.

80891127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209070 (or 209067 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 80891127 is about 8993.9494661689. The cubic root of 80891127 is about 432.4809298061.

It can be divided in two parts, 80891 and 127, that added together give a palindrome (81018).

The spelling of 80891127 in words is "eighty million, eight hundred ninety-one thousand, one hundred twenty-seven".