67920783611 has 2 divisors, whose sum is σ = 67920783612. Its totient is φ = 67920783610.

The previous prime is 67920783571. The next prime is 67920783631. The reversal of 67920783611 is 11638702976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67920783611 - 2¹⁸ = 67920521467 is a prime.

It is a super-2 number, since 2×67920783611² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67920783611.

It is not a weakly prime, because it can be changed into another prime (67920783631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33960391805 + 33960391806.

It is an arithmetic number, because the mean of its divisors is an integer number (33960391806).

Almost surely, 2^67920783611 is an apocalyptic number.

67920783611 is a deficient number, since it is larger than the sum of its proper divisors (1).

67920783611 is an equidigital number, since it uses as much as digits as its factorization.

67920783611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 67920783611 in words is "sixty-seven billion, nine hundred twenty million, seven hundred eighty-three thousand, six hundred eleven".