68767877 has 2 divisors, whose sum is σ = 68767878. Its totient is φ = 68767876.

The previous prime is 68767849. The next prime is 68767921. The reversal of 68767877 is 77876786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35058241 + 33709636 = 5921^2 + 5806^2 .

It is a cyclic number.

It is not a de Polignac number, because 68767877 - 2¹² = 68763781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68767817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34383938 + 34383939.

It is an arithmetic number, because the mean of its divisors is an integer number (34383939).

Almost surely, 2^68767877 is an apocalyptic number.

It is an amenable number.

68767877 is a deficient number, since it is larger than the sum of its proper divisors (1).

68767877 is an equidigital number, since it uses as much as digits as its factorization.

68767877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5531904, while the sum is 56.

The square root of 68767877 is about 8292.6399294796. The cubic root of 68767877 is about 409.6961401173.

The spelling of 68767877 in words is "sixty-eight million, seven hundred sixty-seven thousand, eight hundred seventy-seven".