687590882567 has 2 divisors, whose sum is σ = 687590882568. Its totient is φ = 687590882566.

The previous prime is 687590882501. The next prime is 687590882593. The reversal of 687590882567 is 765288095786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 687590882567 - 2⁸ = 687590882311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 687590882567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (687590882597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343795441283 + 343795441284.

It is an arithmetic number, because the mean of its divisors is an integer number (343795441284).

Almost surely, 2^687590882567 is an apocalyptic number.

687590882567 is a deficient number, since it is larger than the sum of its proper divisors (1).

687590882567 is an equidigital number, since it uses as much as digits as its factorization.

687590882567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 406425600, while the sum is 71.

The spelling of 687590882567 in words is "six hundred eighty-seven billion, five hundred ninety million, eight hundred eighty-two thousand, five hundred sixty-seven".