688274375346 has 48 divisors (see below), whose sum is σ = 1536047472960. Its totient is φ = 222605258400.

The previous prime is 688274375339. The next prime is 688274375359. The reversal of 688274375346 is 643573472886.

688274375346 is a `hidden beast` number, since 68 + 8 + 2 + 7 + 4 + 37 + 534 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2827641 + ... + 3061388.

It is an arithmetic number, because the mean of its divisors is an integer number (32000989020).

Almost surely, 2^688274375346 is an apocalyptic number.

688274375346 is an abundant number, since it is smaller than the sum of its proper divisors (847773097614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

688274375346 is a wasteful number, since it uses less digits than its factorization.

688274375346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889231 (or 5889228 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 63.

The spelling of 688274375346 in words is "six hundred eighty-eight billion, two hundred seventy-four million, three hundred seventy-five thousand, three hundred forty-six".