688274375347 has 8 divisors (see below), whose sum is σ = 741227081616. Its totient is φ = 635322886752.

The previous prime is 688274375339. The next prime is 688274375359. The reversal of 688274375347 is 743573472886.

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 688274375347 - 2³ = 688274375339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (688274375387) 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, 1114533 + ... + 1618249.

It is an arithmetic number, because the mean of its divisors is an integer number (92653385202).

Almost surely, 2^688274375347 is an apocalyptic number.

688274375347 is a deficient number, since it is larger than the sum of its proper divisors (52952706269).

688274375347 is a wasteful number, since it uses less digits than its factorization.

688274375347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608837.

The product of its digits is 189665280, while the sum is 64.

The spelling of 688274375347 in words is "six hundred eighty-eight billion, two hundred seventy-four million, three hundred seventy-five thousand, three hundred forty-seven".