67907811628383 has 4 divisors (see below), whose sum is σ = 90543748837848. Its totient is φ = 45271874418920.

The previous prime is 67907811628361. The next prime is 67907811628453. The reversal of 67907811628383 is 38382611870976.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67907811628383 - 2²¹ = 67907809531231 is a prime.

It is a super-2 number, since 2×67907811628383² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67907811608383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11317968604728 + ... + 11317968604733.

It is an arithmetic number, because the mean of its divisors is an integer number (22635937209462).

Almost surely, 2^{67907811628383} is an apocalyptic number.

67907811628383 is a deficient number, since it is larger than the sum of its proper divisors (22635937209465).

67907811628383 is a wasteful number, since it uses less digits than its factorization.

67907811628383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22635937209464.

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 67907811628383 in words is "sixty-seven trillion, nine hundred seven billion, eight hundred eleven million, six hundred twenty-eight thousand, three hundred eighty-three".