68377511 has 2 divisors, whose sum is σ = 68377512. Its totient is φ = 68377510.

The previous prime is 68377501. The next prime is 68377541. The reversal of 68377511 is 11577386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68377511 - 2¹⁴ = 68361127 is a prime.

It is a Sophie Germain 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 (68377501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34188755 + 34188756.

It is an arithmetic number, because the mean of its divisors is an integer number (34188756).

Almost surely, 2^68377511 is an apocalyptic number.

68377511 is a deficient number, since it is larger than the sum of its proper divisors (1).

68377511 is an equidigital number, since it uses as much as digits as its factorization.

68377511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 68377511 is about 8269.0695365319. The cubic root of 68377511 is about 408.9194450025.

The spelling of 68377511 in words is "sixty-eight million, three hundred seventy-seven thousand, five hundred eleven".