688100755291 has 16 divisors (see below), whose sum is σ = 705876339168. Its totient is φ = 670373222400.

The previous prime is 688100755259. The next prime is 688100755301. The reversal of 688100755291 is 192557001886.

It is not a de Polignac number, because 688100755291 - 2⁵ = 688100755259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (688100755091) 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, 104618995 + ... + 104625571.

It is an arithmetic number, because the mean of its divisors is an integer number (44117271198).

Almost surely, 2^688100755291 is an apocalyptic number.

688100755291 is a deficient number, since it is larger than the sum of its proper divisors (17775583877).

688100755291 is a wasteful number, since it uses less digits than its factorization.

688100755291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822.

The product of its (nonzero) digits is 1209600, while the sum is 52.

The spelling of 688100755291 in words is "six hundred eighty-eight billion, one hundred million, seven hundred fifty-five thousand, two hundred ninety-one".