68954027767 has 2 divisors, whose sum is σ = 68954027768. Its totient is φ = 68954027766.

The previous prime is 68954027729. The next prime is 68954027771. The reversal of 68954027767 is 76772045986.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68954027767 - 2²⁷ = 68819810039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68954027867) 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 as a sum of consecutive naturals, namely, 34477013883 + 34477013884.

It is an arithmetic number, because the mean of its divisors is an integer number (34477013884).

Almost surely, 2^68954027767 is an apocalyptic number.

68954027767 is a deficient number, since it is larger than the sum of its proper divisors (1).

68954027767 is an equidigital number, since it uses as much as digits as its factorization.

68954027767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 68954027767 in words is "sixty-eight billion, nine hundred fifty-four million, twenty-seven thousand, seven hundred sixty-seven".