80851302 has 72 divisors (see below), whose sum is σ = 209458704. Its totient is φ = 22077792.

The previous prime is 80851301. The next prime is 80851313. The reversal of 80851302 is 20315808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80851301) 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 35 ways as a sum of consecutive naturals, for example, 66048 + ... + 67260.

Almost surely, 2^80851302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80851302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104729352).

80851302 is an abundant number, since it is smaller than the sum of its proper divisors (128607402).

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

80851302 is a wasteful number, since it uses less digits than its factorization.

80851302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 80851302 is about 8991.7352051759. The cubic root of 80851302 is about 432.4099439391.

The spelling of 80851302 in words is "eighty million, eight hundred fifty-one thousand, three hundred two".