687068601127 has 2 divisors, whose sum is σ = 687068601128. Its totient is φ = 687068601126.

The previous prime is 687068601113. The next prime is 687068601181. The reversal of 687068601127 is 721106860786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 687068601127 - 2¹¹ = 687068599079 is a prime.

It is a super-2 number, since 2×687068601127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (687068611127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343534300563 + 343534300564.

It is an arithmetic number, because the mean of its divisors is an integer number (343534300564).

Almost surely, 2^687068601127 is an apocalyptic number.

687068601127 is a deficient number, since it is larger than the sum of its proper divisors (1).

687068601127 is an equidigital number, since it uses as much as digits as its factorization.

687068601127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 687068601127 in words is "six hundred eighty-seven billion, sixty-eight million, six hundred one thousand, one hundred twenty-seven".