708684278881 has 2 divisors, whose sum is σ = 708684278882. Its totient is φ = 708684278880.

The previous prime is 708684278833. The next prime is 708684278969. The reversal of 708684278881 is 188872486807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531464328256 + 177219950625 = 729016^2 + 420975^2 .

It is a cyclic number.

It is not a de Polignac number, because 708684278881 - 2²¹ = 708682181729 is a prime.

It is a super-2 number, since 2×708684278881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (708604278881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354342139440 + 354342139441.

It is an arithmetic number, because the mean of its divisors is an integer number (354342139441).

Almost surely, 2^708684278881 is an apocalyptic number.

It is an amenable number.

708684278881 is a deficient number, since it is larger than the sum of its proper divisors (1).

708684278881 is an equidigital number, since it uses as much as digits as its factorization.

708684278881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77070336, while the sum is 67.

The spelling of 708684278881 in words is "seven hundred eight billion, six hundred eighty-four million, two hundred seventy-eight thousand, eight hundred eighty-one".