676845112505 has 8 divisors (see below), whose sum is σ = 820587477192. Its totient is φ = 535893861888.

The previous prime is 676845112501. The next prime is 676845112529. The reversal of 676845112505 is 505211548676.

It can be written as a sum of positive squares in 4 ways, for example, as 19297655056 + 657547457449 = 138916^2 + 810893^2 .

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 676845112505 - 2² = 676845112501 is a prime.

It is a super-2 number, since 2×676845112505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (676845112501) 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, 697777982 + ... + 697778951.

It is an arithmetic number, because the mean of its divisors is an integer number (102573434649).

Almost surely, 2^676845112505 is an apocalyptic number.

It is an amenable number.

676845112505 is a deficient number, since it is larger than the sum of its proper divisors (143742364687).

676845112505 is a wasteful number, since it uses less digits than its factorization.

676845112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395557035.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 676845112505 in words is "six hundred seventy-six billion, eight hundred forty-five million, one hundred twelve thousand, five hundred five".