68880663385 has 8 divisors (see below), whose sum is σ = 82658765376. Its totient is φ = 55103217840.

The previous prime is 68880663377. The next prime is 68880663431. The reversal of 68880663385 is 58336608886.

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

It is not a de Polignac number, because 68880663385 - 2³ = 68880663377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107652 + ... + 386458.

It is an arithmetic number, because the mean of its divisors is an integer number (10332345672).

Almost surely, 2^68880663385 is an apocalyptic number.

It is an amenable number.

68880663385 is a deficient number, since it is larger than the sum of its proper divisors (13778101991).

68880663385 is a wasteful number, since it uses less digits than its factorization.

68880663385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328223.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 68880663385 in words is "sixty-eight billion, eight hundred eighty million, six hundred sixty-three thousand, three hundred eighty-five".