688357116627 has 8 divisors (see below), whose sum is σ = 918026430720. Its totient is φ = 458796273480.

The previous prime is 688357116619. The next prime is 688357116659. The reversal of 688357116627 is 726611753886.

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

It is not a de Polignac number, because 688357116627 - 2³ = 688357116619 is a prime.

It is a super-2 number, since 2×688357116627² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (688257116627) 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, 27102927 + ... + 27128312.

It is an arithmetic number, because the mean of its divisors is an integer number (114753303840).

Almost surely, 2^688357116627 is an apocalyptic number.

688357116627 is a deficient number, since it is larger than the sum of its proper divisors (229669314093).

688357116627 is a wasteful number, since it uses less digits than its factorization.

688357116627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54235473.

The product of its digits is 20321280, while the sum is 60.

The spelling of 688357116627 in words is "six hundred eighty-eight billion, three hundred fifty-seven million, one hundred sixteen thousand, six hundred twenty-seven".