67775057759 has 2 divisors, whose sum is σ = 67775057760. Its totient is φ = 67775057758.

The previous prime is 67775057699. The next prime is 67775057783. The reversal of 67775057759 is 95775057776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67775057759 - 2¹² = 67775053663 is a prime.

It is a super-2 number, since 2×67775057759² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67775057695 and 67775057704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67775057159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33887528879 + 33887528880.

It is an arithmetic number, because the mean of its divisors is an integer number (33887528880).

Almost surely, 2^67775057759 is an apocalyptic number.

67775057759 is a deficient number, since it is larger than the sum of its proper divisors (1).

67775057759 is an equidigital number, since it uses as much as digits as its factorization.

67775057759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113447250, while the sum is 65.

The spelling of 67775057759 in words is "sixty-seven billion, seven hundred seventy-five million, fifty-seven thousand, seven hundred fifty-nine".