688874701 has 2 divisors, whose sum is σ = 688874702. Its totient is φ = 688874700.

The previous prime is 688874639. The next prime is 688874717. The reversal of 688874701 is 107478886.

688874701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686702025 + 2172676 = 26205^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 688874701 - 2⁷ = 688874573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688874741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344437350 + 344437351.

It is an arithmetic number, because the mean of its divisors is an integer number (344437351).

Almost surely, 2^688874701 is an apocalyptic number.

It is an amenable number.

688874701 is a deficient number, since it is larger than the sum of its proper divisors (1).

688874701 is an equidigital number, since it uses as much as digits as its factorization.

688874701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 688874701 is about 26246.4226324275. The cubic root of 688874701 is about 883.1749556170.

The spelling of 688874701 in words is "six hundred eighty-eight million, eight hundred seventy-four thousand, seven hundred one".