80889336 has 96 divisors (see below), whose sum is σ = 241441200. Its totient is φ = 24261120.

The previous prime is 80889331. The next prime is 80889337. The reversal of 80889336 is 63398808.

Added to its reverse (63398808) it gives a square (144288144 = 12012²).

It is a junction number, because it is equal to n+sod(n) for n = 80889291 and 80889300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80889331) 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 23 ways as a sum of consecutive naturals, for example, 85860 + ... + 86796.

Almost surely, 2^80889336 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 80889336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120720600).

80889336 is an abundant number, since it is smaller than the sum of its proper divisors (160551864).

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

80889336 is a wasteful number, since it uses less digits than its factorization.

80889336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 80889336 is about 8993.8498986808. The cubic root of 80889336 is about 432.4777379478.

Adding to 80889336 its reverse (63398808), we get a square (144288144 = 12012²).

It can be divided in two parts, 80889 and 336, that added together give a square (81225 = 285²).

The spelling of 80889336 in words is "eighty million, eight hundred eighty-nine thousand, three hundred thirty-six".