68187339629208 has 40 divisors (see below), whose sum is σ = 190987687389180. Its totient is φ = 22729113209520.

The previous prime is 68187339629197. The next prime is 68187339629221. The reversal of 68187339629208 is 80292693378186.

68187339629208 is a `hidden beast` number, since 6 + 8 + 1 + 8 + 7 + 3 + 396 + 29 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52613687338 + ... + 52613688633.

Almost surely, 2^{68187339629208} is an apocalyptic number.

It is an amenable number.

68187339629208 is an abundant number, since it is smaller than the sum of its proper divisors (122800347759972).

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

68187339629208 is a wasteful number, since it uses less digits than its factorization.

68187339629208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105227375989 (or 105227375976 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 72.

The spelling of 68187339629208 in words is "sixty-eight trillion, one hundred eighty-seven billion, three hundred thirty-nine million, six hundred twenty-nine thousand, two hundred eight".