67712831983 has 2 divisors, whose sum is σ = 67712831984. Its totient is φ = 67712831982.

The previous prime is 67712831981. The next prime is 67712832023. The reversal of 67712831983 is 38913821776.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67712831983 - 2¹ = 67712831981 is a prime.

Together with 67712831981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67712831981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33856415991 + 33856415992.

It is an arithmetic number, because the mean of its divisors is an integer number (33856415992).

Almost surely, 2^67712831983 is an apocalyptic number.

67712831983 is a deficient number, since it is larger than the sum of its proper divisors (1).

67712831983 is an equidigital number, since it uses as much as digits as its factorization.

67712831983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The spelling of 67712831983 in words is "sixty-seven billion, seven hundred twelve million, eight hundred thirty-one thousand, nine hundred eighty-three".