80636382 has 12 divisors (see below), whose sum is σ = 174712200. Its totient is φ = 26878788.

The previous prime is 80636371. The next prime is 80636383. The reversal of 80636382 is 28363608.

It is a super-2 number, since 2×80636382² = 13004452204099848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80636383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2239882 + ... + 2239917.

It is an arithmetic number, because the mean of its divisors is an integer number (14559350).

Almost surely, 2^80636382 is an apocalyptic number.

80636382 is an abundant number, since it is smaller than the sum of its proper divisors (94075818).

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

80636382 is a wasteful number, since it uses less digits than its factorization.

80636382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479807 (or 4479804 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 80636382 is about 8979.7762778368. The cubic root of 80636382 is about 432.0264579989.

It can be divided in two parts, 80636 and 382, that added together give a palindrome (81018).

The spelling of 80636382 in words is "eighty million, six hundred thirty-six thousand, three hundred eighty-two".