80308758544 has 135 divisors (see below), whose sum is σ = 187997351607. Its totient is φ = 33135992064.

The previous prime is 80308758511. The next prime is 80308758571. The reversal of 80308758544 is 44585780308.

The square root of 80308758544 is 283388.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5626800144 + 74681958400 = 75012^2 + 273280^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80308758491 and 80308758500.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 230110882 + ... + 230111230.

Almost surely, 2^80308758544 is an apocalyptic number.

80308758544 is the 283388-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80308758544

80308758544 is an abundant number, since it is smaller than the sum of its proper divisors (107688593063).

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

80308758544 is an equidigital number, since it uses as much as digits as its factorization.

80308758544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 80308758544 in words is "eighty billion, three hundred eight million, seven hundred fifty-eight thousand, five hundred forty-four".