80703719056 has 135 divisors (see below), whose sum is σ = 169478607753. Its totient is φ = 37226367360.

The previous prime is 80703719053. The next prime is 80703719099. The reversal of 80703719056 is 65091730708.

The square root of 80703719056 is 284084.

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

It can be written as a sum of positive squares in only one way, i.e., 42319072656 + 38384646400 = 205716^2 + 195920^2 .

It is a super-2 number, since 2×80703719056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80703718997 and 80703719015.

It is not an unprimeable number, because it can be changed into a prime (80703719051) 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 26 ways as a sum of consecutive naturals, for example, 1021566025 + ... + 1021566103.

Almost surely, 2^80703719056 is an apocalyptic number.

80703719056 is the 284084-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80703719056

80703719056 is an abundant number, since it is smaller than the sum of its proper divisors (88774888697).

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

80703719056 is an equidigital number, since it uses as much as digits as its factorization.

80703719056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 80703719056 in words is "eighty billion, seven hundred three million, seven hundred nineteen thousand, fifty-six".