68276626861 has 8 divisors (see below), whose sum is σ = 68758710680. Its totient is φ = 67796142912.

The previous prime is 68276626849. The next prime is 68276626867. The reversal of 68276626861 is 16862667286.

It can be written as a sum of positive squares in 4 ways, for example, as 15576537636 + 52700089225 = 124806^2 + 229565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68276626861 - 2⁵ = 68276626829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68276626796 and 68276626805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68276626867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314250 + ... + 485083.

It is an arithmetic number, because the mean of its divisors is an integer number (8594838835).

Almost surely, 2^68276626861 is an apocalyptic number.

It is an amenable number.

68276626861 is a deficient number, since it is larger than the sum of its proper divisors (482083819).

68276626861 is a wasteful number, since it uses less digits than its factorization.

68276626861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799935.

The product of its digits is 13934592, while the sum is 58.

The spelling of 68276626861 in words is "sixty-eight billion, two hundred seventy-six million, six hundred twenty-six thousand, eight hundred sixty-one".