879516526840681 has 2 divisors, whose sum is σ = 879516526840682. Its totient is φ = 879516526840680.

The previous prime is 879516526840603. The next prime is 879516526840723. The reversal of 879516526840681 is 186048625615978.

879516526840681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876252058418025 + 3264468422656 = 29601555^2 + 1806784^2 .

It is a cyclic number.

It is not a de Polignac number, because 879516526840681 - 2⁹ = 879516526840169 is a prime.

It is a super-2 number, since 2×879516526840681² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 879516526840598 and 879516526840607.

It is not a weakly prime, because it can be changed into another prime (879516526840381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439758263420340 + 439758263420341.

It is an arithmetic number, because the mean of its divisors is an integer number (439758263420341).

Almost surely, 2^{879516526840681} is an apocalyptic number.

It is an amenable number.

879516526840681 is a deficient number, since it is larger than the sum of its proper divisors (1).

879516526840681 is an equidigital number, since it uses as much as digits as its factorization.

879516526840681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1393459200, while the sum is 76.

The spelling of 879516526840681 in words is "eight hundred seventy-nine trillion, five hundred sixteen billion, five hundred twenty-six million, eight hundred forty thousand, six hundred eighty-one".