712996160881 has 27 divisors (see below), whose sum is σ = 742861079649. Its totient is φ = 684321486912.

The previous prime is 712996160839. The next prime is 712996160893. The reversal of 712996160881 is 188061699217.

The square root of 712996160881 is 844391.

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 139468637025 + 573527523856 = 373455^2 + 757316^2 .

It is not a de Polignac number, because 712996160881 - 2¹³ = 712996152689 is a prime.

It is a super-2 number, since 2×712996160881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712996161881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2650543215 + ... + 2650543483.

Almost surely, 2^712996160881 is an apocalyptic number.

712996160881 is the 844391-st square number.

712996160881 is the 422196-th centered octagonal number.

It is an amenable number.

712996160881 is a deficient number, since it is larger than the sum of its proper divisors (29864918768).

712996160881 is an frugal number, since it uses more digits than its factorization.

712996160881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 58.

The spelling of 712996160881 in words is "seven hundred twelve billion, nine hundred ninety-six million, one hundred sixty thousand, eight hundred eighty-one".