688613112048 has 40 divisors (see below), whose sum is σ = 1780049748096. Its totient is φ = 229391569600.

The previous prime is 688613112043. The next prime is 688613112053. The reversal of 688613112048 is 840211316886.

It is an interprime number because it is at equal distance from previous prime (688613112043) and next prime (688613112053).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 688613111988 and 688613112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688613112043) 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, 4490508 + ... + 4641323.

Almost surely, 2^688613112048 is an apocalyptic number.

It is an amenable number.

688613112048 is an abundant number, since it is smaller than the sum of its proper divisors (1091436636048).

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

688613112048 is a wasteful number, since it uses less digits than its factorization.

688613112048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133413 (or 9133407 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 688613112048 in words is "six hundred eighty-eight billion, six hundred thirteen million, one hundred twelve thousand, forty-eight".