687375673367 has 2 divisors, whose sum is σ = 687375673368. Its totient is φ = 687375673366.

The previous prime is 687375673357. The next prime is 687375673417. The reversal of 687375673367 is 763376573786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 687375673367 - 2³⁸ = 412497766423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 687375673297 and 687375673306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (687375673357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343687836683 + 343687836684.

It is an arithmetic number, because the mean of its divisors is an integer number (343687836684).

Almost surely, 2^687375673367 is an apocalyptic number.

687375673367 is a deficient number, since it is larger than the sum of its proper divisors (1).

687375673367 is an equidigital number, since it uses as much as digits as its factorization.

687375673367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560105280, while the sum is 68.

The spelling of 687375673367 in words is "six hundred eighty-seven billion, three hundred seventy-five million, six hundred seventy-three thousand, three hundred sixty-seven".