678591276001 has 2 divisors, whose sum is σ = 678591276002. Its totient is φ = 678591276000.

The previous prime is 678591275981. The next prime is 678591276007. The reversal of 678591276001 is 100672195876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537290466001 + 141300810000 = 733001^2 + 375900^2 .

It is a cyclic number.

It is not a de Polignac number, because 678591276001 - 2²⁹ = 678054405089 is a prime.

It is a super-2 number, since 2×678591276001² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 678591276001.

It is not a weakly prime, because it can be changed into another prime (678591276007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339295638000 + 339295638001.

It is an arithmetic number, because the mean of its divisors is an integer number (339295638001).

Almost surely, 2^678591276001 is an apocalyptic number.

It is an amenable number.

678591276001 is a deficient number, since it is larger than the sum of its proper divisors (1).

678591276001 is an equidigital number, since it uses as much as digits as its factorization.

678591276001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 678591276001 in words is "six hundred seventy-eight billion, five hundred ninety-one million, two hundred seventy-six thousand, one".