80536714350625 has 135 divisors (see below), whose sum is σ = 111284145351687. Its totient is φ = 58239130560000.

The previous prime is 80536714350623. The next prime is 80536714350643. The reversal of 80536714350625 is 52605341763508.

The square root of 80536714350625 is 8974225.

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

It can be written as a sum of positive squares in 67 ways, for example, as 1144765183969 + 79391949166656 = 1069937^2 + 8910216^2 .

It is not a de Polignac number, because 80536714350625 - 2¹ = 80536714350623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80536714350623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 154581025365 + ... + 154581025885.

Almost surely, 2^{80536714350625} is an apocalyptic number.

80536714350625 is the 8974225-th square number.

80536714350625 is the 4487113-rd centered octagonal number.

It is an amenable number.

80536714350625 is a deficient number, since it is larger than the sum of its proper divisors (30747431001062).

80536714350625 is an frugal number, since it uses more digits than its factorization.

80536714350625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 55.

The spelling of 80536714350625 in words is "eighty trillion, five hundred thirty-six billion, seven hundred fourteen million, three hundred fifty thousand, six hundred twenty-five".