68877143 has 2 divisors, whose sum is σ = 68877144. Its totient is φ = 68877142.

The previous prime is 68877121. The next prime is 68877167. The reversal of 68877143 is 34177886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68877143 - 2⁶ = 68877079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68877094 and 68877103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68877343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34438571 + 34438572.

It is an arithmetic number, because the mean of its divisors is an integer number (34438572).

Almost surely, 2^68877143 is an apocalyptic number.

68877143 is a deficient number, since it is larger than the sum of its proper divisors (1).

68877143 is an equidigital number, since it uses as much as digits as its factorization.

68877143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 44.

The square root of 68877143 is about 8299.2254457871. The cubic root of 68877143 is about 409.9130154553.

The spelling of 68877143 in words is "sixty-eight million, eight hundred seventy-seven thousand, one hundred forty-three".