688747340196 has 48 divisors (see below), whose sum is σ = 1803320897280. Its totient is φ = 227309349600.

The previous prime is 688747340137. The next prime is 688747340219. The reversal of 688747340196 is 691043747886.

688747340196 is a `hidden beast` number, since 6 + 8 + 8 + 74 + 73 + 401 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31559836 + ... + 31581651.

It is an arithmetic number, because the mean of its divisors is an integer number (37569185360).

Almost surely, 2^688747340196 is an apocalyptic number.

It is an amenable number.

688747340196 is an abundant number, since it is smaller than the sum of its proper divisors (1114573557084).

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

688747340196 is a wasteful number, since it uses less digits than its factorization.

688747340196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63141601 (or 63141593 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

It can be divided in two parts, 688747340 and 196, that added together give a 4-th power (688747536 = 162⁴).

The spelling of 688747340196 in words is "six hundred eighty-eight billion, seven hundred forty-seven million, three hundred forty thousand, one hundred ninety-six".