80827136 has 72 divisors (see below), whose sum is σ = 175988400. Its totient is φ = 36827136.

The previous prime is 80827127. The next prime is 80827139. The reversal of 80827136 is 63172808.

It is a junction number, because it is equal to n+sod(n) for n = 80827096 and 80827105.

It is not an unprimeable number, because it can be changed into a prime (80827139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495791 + ... + 495953.

Almost surely, 2^80827136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80827136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87994200).

80827136 is an abundant number, since it is smaller than the sum of its proper divisors (95161264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80827136 is a wasteful number, since it uses less digits than its factorization.

80827136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 80827136 is about 8990.3913151764. The cubic root of 80827136 is about 432.3668580117.

The spelling of 80827136 in words is "eighty million, eight hundred twenty-seven thousand, one hundred thirty-six".