80283636 has 90 divisors (see below), whose sum is σ = 216894678. Its totient is φ = 25894080.

The previous prime is 80283631. The next prime is 80283647. The reversal of 80283636 is 63638208.

80283636 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 3 ways, for example, as 18974736 + 61308900 = 4356^2 + 7830^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80283636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80283631) 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 29 ways as a sum of consecutive naturals, for example, 443466 + ... + 443646.

Almost surely, 2^80283636 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 80283636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108447339).

80283636 is an abundant number, since it is smaller than the sum of its proper divisors (136611042).

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

80283636 is a wasteful number, since it uses less digits than its factorization.

80283636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 223 counting only the distinct ones).

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

The square root of 80283636 is about 8960.1136153511. The cubic root of 80283636 is about 431.3955667380.

It can be divided in two parts, 8028 and 3636, that added together give a square (11664 = 108²).

The spelling of 80283636 in words is "eighty million, two hundred eighty-three thousand, six hundred thirty-six".