879755133962681 has 4 divisors (see below), whose sum is σ = 879827859041652. Its totient is φ = 879682408883712.

The previous prime is 879755133962659. The next prime is 879755133962699. The reversal of 879755133962681 is 186269331557978.

879755133962681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133104099555625 + 746651034407056 = 11537075^2 + 27324916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879755133962681 is a prime.

It is a super-2 number, since 2×879755133962681² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 879755133962596 and 879755133962605.

It is not an unprimeable number, because it can be changed into a prime (879755133962381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36362521340 + ... + 36362545533.

It is an arithmetic number, because the mean of its divisors is an integer number (219956964760413).

Almost surely, 2^{879755133962681} is an apocalyptic number.

It is an amenable number.

879755133962681 is a deficient number, since it is larger than the sum of its proper divisors (72725078971).

879755133962681 is a wasteful number, since it uses less digits than its factorization.

879755133962681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72725078970.

The product of its digits is 4115059200, while the sum is 80.

The spelling of 879755133962681 in words is "eight hundred seventy-nine trillion, seven hundred fifty-five billion, one hundred thirty-three million, nine hundred sixty-two thousand, six hundred eighty-one".