80173827 has 16 divisors (see below), whose sum is σ = 119148160. Its totient is φ = 53281800.

The previous prime is 80173823. The next prime is 80173871. The reversal of 80173827 is 72837108.

It is not a de Polignac number, because 80173827 - 2² = 80173823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80173791 and 80173800.

It is not an unprimeable number, because it can be changed into a prime (80173823) 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 15 ways as a sum of consecutive naturals, for example, 4452 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (7446760).

Almost surely, 2^80173827 is an apocalyptic number.

80173827 is a deficient number, since it is larger than the sum of its proper divisors (38974333).

80173827 is a wasteful number, since it uses less digits than its factorization.

80173827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311 (or 9305 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 80173827 is about 8953.9838619466. The cubic root of 80173827 is about 431.1987946764.

The spelling of 80173827 in words is "eighty million, one hundred seventy-three thousand, eight hundred twenty-seven".