68877233277943 has 2 divisors, whose sum is σ = 68877233277944. Its totient is φ = 68877233277942.

The previous prime is 68877233277869. The next prime is 68877233277967. The reversal of 68877233277943 is 34977233277886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68877233277943 - 2⁹ = 68877233277431 is a prime.

It is a super-2 number, since 2×68877233277943² (a number of 28 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 68877233277943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68877233277973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34438616638971 + 34438616638972.

It is an arithmetic number, because the mean of its divisors is an integer number (34438616638972).

Almost surely, 2^{68877233277943} is an apocalyptic number.

68877233277943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68877233277943 is an equidigital number, since it uses as much as digits as its factorization.

68877233277943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584673792, while the sum is 76.

The spelling of 68877233277943 in words is "sixty-eight trillion, eight hundred seventy-seven billion, two hundred thirty-three million, two hundred seventy-seven thousand, nine hundred forty-three".