68685706348 has 48 divisors (see below), whose sum is σ = 138307276800. Its totient is φ = 29236677120.

The previous prime is 68685706343. The next prime is 68685706409. The reversal of 68685706348 is 84360758686.

It is a super-3 number, since 3×68685706348³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68685706343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3514588 + ... + 3534076.

It is an arithmetic number, because the mean of its divisors is an integer number (2881401600).

Almost surely, 2^68685706348 is an apocalyptic number.

It is an amenable number.

68685706348 is an abundant number, since it is smaller than the sum of its proper divisors (69621570452).

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

68685706348 is a wasteful number, since it uses less digits than its factorization.

68685706348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20350 (or 20348 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 68685706348 in words is "sixty-eight billion, six hundred eighty-five million, seven hundred six thousand, three hundred forty-eight".