180827802 has 40 divisors (see below), whose sum is σ = 412077600. Its totient is φ = 59251176.

The previous prime is 180827791. The next prime is 180827809. The reversal of 180827802 is 208728081.

It is not an unprimeable number, because it can be changed into a prime (180827809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99 + ... + 19017.

It is an arithmetic number, because the mean of its divisors is an integer number (10301940).

Almost surely, 2^180827802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180827802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206038800).

180827802 is an abundant number, since it is smaller than the sum of its proper divisors (231249798).

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

180827802 is a wasteful number, since it uses less digits than its factorization.

180827802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18992 (or 18983 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 180827802 is about 13447.2228359613. Note that the first 3 decimals coincide. The cubic root of 180827802 is about 565.4858399736.

The spelling of 180827802 in words is "one hundred eighty million, eight hundred twenty-seven thousand, eight hundred two".