688896043 has 8 divisors (see below), whose sum is σ = 775766016. Its totient is φ = 606066600.

The previous prime is 688896041. The next prime is 688896101. The reversal of 688896043 is 340698886.

688896043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 688896043 - 2¹ = 688896041 is a prime.

It is a super-2 number, since 2×688896043² = 949155516122115698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (688896041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009771 + ... + 1010452.

It is an arithmetic number, because the mean of its divisors is an integer number (96970752).

Almost surely, 2^688896043 is an apocalyptic number.

688896043 is a deficient number, since it is larger than the sum of its proper divisors (86869973).

688896043 is a wasteful number, since it uses less digits than its factorization.

688896043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020265.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 688896043 is about 26246.8291989718. The cubic root of 688896043 is about 883.1840760590.

The spelling of 688896043 in words is "six hundred eighty-eight million, eight hundred ninety-six thousand, forty-three".