68876971 has 2 divisors, whose sum is σ = 68876972. Its totient is φ = 68876970.

The previous prime is 68876953. The next prime is 68876981. The reversal of 68876971 is 17967886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68876971 - 2⁵ = 68876939 is a prime.

It is not a weakly prime, because it can be changed into another prime (68876921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34438485 + 34438486.

It is an arithmetic number, because the mean of its divisors is an integer number (34438486).

Almost surely, 2^68876971 is an apocalyptic number.

68876971 is a deficient number, since it is larger than the sum of its proper divisors (1).

68876971 is an equidigital number, since it uses as much as digits as its factorization.

68876971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 68876971 is about 8299.2150833678. The cubic root of 68876971 is about 409.9126742434.

The spelling of 68876971 in words is "sixty-eight million, eight hundred seventy-six thousand, nine hundred seventy-one".