68100677381 has 8 divisors (see below), whose sum is σ = 74293633344. Its totient is φ = 61908052320.

The previous prime is 68100677377. The next prime is 68100677423. The reversal of 68100677381 is 18377600186.

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

It is a cyclic number.

It is not a de Polignac number, because 68100677381 - 2² = 68100677377 is a prime.

It is a super-2 number, since 2×68100677381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68100677081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575000 + ... + 683246.

It is an arithmetic number, because the mean of its divisors is an integer number (9286704168).

Almost surely, 2^68100677381 is an apocalyptic number.

It is an amenable number.

68100677381 is a deficient number, since it is larger than the sum of its proper divisors (6192955963).

68100677381 is a wasteful number, since it uses less digits than its factorization.

68100677381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165451.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 68100677381 in words is "sixty-eight billion, one hundred million, six hundred seventy-seven thousand, three hundred eighty-one".