688868030151 has 24 divisors (see below), whose sum is σ = 1145360128640. Its totient is φ = 390806935056.

The previous prime is 688868030141. The next prime is 688868030167. The reversal of 688868030151 is 151030868886.

It is not a de Polignac number, because 688868030151 - 2⁵ = 688868030119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688868030141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39323665 + ... + 39341178.

Almost surely, 2^688868030151 is an apocalyptic number.

688868030151 is a deficient number, since it is larger than the sum of its proper divisors (456492098489).

688868030151 is a wasteful number, since it uses less digits than its factorization.

688868030151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78664995 (or 78664992 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 688868030151 in words is "six hundred eighty-eight billion, eight hundred sixty-eight million, thirty thousand, one hundred fifty-one".