80609802 has 128 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 20180160.

The previous prime is 80609797. The next prime is 80609833. The reversal of 80609802 is 20890608.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 615277 + ... + 615407.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^80609802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80609802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106444800).

80609802 is an abundant number, since it is smaller than the sum of its proper divisors (132279798).

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

80609802 is a wasteful number, since it uses less digits than its factorization.

80609802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 80609802 is about 8978.2961635268. The cubic root of 80609802 is about 431.9789834597.

The spelling of 80609802 in words is "eighty million, six hundred nine thousand, eight hundred two".