687601151 has 2 divisors, whose sum is σ = 687601152. Its totient is φ = 687601150.

The previous prime is 687601141. The next prime is 687601181. The reversal of 687601151 is 151106786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 687601151 - 2¹⁰ = 687600127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (687601141) 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, 343800575 + 343800576.

It is an arithmetic number, because the mean of its divisors is an integer number (343800576).

Almost surely, 2^687601151 is an apocalyptic number.

687601151 is a deficient number, since it is larger than the sum of its proper divisors (1).

687601151 is an equidigital number, since it uses as much as digits as its factorization.

687601151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 687601151 is about 26222.1500071981. The cubic root of 687601151 is about 882.6303663470.

The spelling of 687601151 in words is "six hundred eighty-seven million, six hundred one thousand, one hundred fifty-one".