687060793 has 2 divisors, whose sum is σ = 687060794. Its totient is φ = 687060792.

The previous prime is 687060769. The next prime is 687060817. The reversal of 687060793 is 397060786.

It is a balanced prime because it is at equal distance from previous prime (687060769) and next prime (687060817).

It can be written as a sum of positive squares in only one way, i.e., 617621904 + 69438889 = 24852^2 + 8333^2 .

It is a cyclic number.

It is not a de Polignac number, because 687060793 - 2⁹ = 687060281 is a prime.

It is not a weakly prime, because it can be changed into another prime (687060193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343530396 + 343530397.

It is an arithmetic number, because the mean of its divisors is an integer number (343530397).

Almost surely, 2^687060793 is an apocalyptic number.

It is an amenable number.

687060793 is a deficient number, since it is larger than the sum of its proper divisors (1).

687060793 is an equidigital number, since it uses as much as digits as its factorization.

687060793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 687060793 is about 26211.8445173170. The cubic root of 687060793 is about 882.3990978913.

The spelling of 687060793 in words is "six hundred eighty-seven million, sixty thousand, seven hundred ninety-three".