688193750102 has 8 divisors (see below), whose sum is σ = 1040418898176. Its totient is φ = 341387450712.

The previous prime is 688193750099. The next prime is 688193750171. The reversal of 688193750102 is 201057391886.

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

It is a super-2 number, since 2×688193750102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354711853 + ... + 1354712360.

It is an arithmetic number, because the mean of its divisors is an integer number (130052362272).

Almost surely, 2^688193750102 is an apocalyptic number.

688193750102 is a deficient number, since it is larger than the sum of its proper divisors (352225148074).

688193750102 is a wasteful number, since it uses less digits than its factorization.

688193750102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709424342.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 688193750102 in words is "six hundred eighty-eight billion, one hundred ninety-three million, seven hundred fifty thousand, one hundred two".