80838328320 has 272 divisors, whose sum is σ = 287454431520. Its totient is φ = 21554528256.

The previous prime is 80838328267. The next prime is 80838328331. The reversal of 80838328320 is 2382383808.

It is a happy number.

It is a super-2 number, since 2×80838328320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8842792 + ... + 8851928.

Almost surely, 2^80838328320 is an apocalyptic number.

80838328320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80838328320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143727215760).

80838328320 is an abundant number, since it is smaller than the sum of its proper divisors (206616103200).

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

80838328320 is an frugal number, since it uses more digits than its factorization.

80838328320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 80838328320 in words is "eighty billion, eight hundred thirty-eight million, three hundred twenty-eight thousand, three hundred twenty".