688067601 has 16 divisors (see below), whose sum is σ = 1022064960. Its totient is φ = 408824640.

The previous prime is 688067573. The next prime is 688067621. The reversal of 688067601 is 106760886.

It is not a de Polignac number, because 688067601 - 2⁷ = 688067473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (688067621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303055 + ... + 305316.

It is an arithmetic number, because the mean of its divisors is an integer number (63879060).

Almost surely, 2^688067601 is an apocalyptic number.

It is an amenable number.

688067601 is a deficient number, since it is larger than the sum of its proper divisors (333997359).

688067601 is a wasteful number, since it uses less digits than its factorization.

688067601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608416.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 688067601 is about 26231.0426975368. The cubic root of 688067601 is about 882.8299054125.

The spelling of 688067601 in words is "six hundred eighty-eight million, sixty-seven thousand, six hundred one".