76957871 has 2 divisors, whose sum is σ = 76957872. Its totient is φ = 76957870.

The previous prime is 76957781. The next prime is 76957901. The reversal of 76957871 is 17875967.

Together with previous prime (76957781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76957871 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 (76953871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38478935 + 38478936.

It is an arithmetic number, because the mean of its divisors is an integer number (38478936).

Almost surely, 2^76957871 is an apocalyptic number.

76957871 is a deficient number, since it is larger than the sum of its proper divisors (1).

76957871 is an equidigital number, since it uses as much as digits as its factorization.

76957871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 50.

The square root of 76957871 is about 8772.5635363900. The cubic root of 76957871 is about 425.3544834894.

The spelling of 76957871 in words is "seventy-six million, nine hundred fifty-seven thousand, eight hundred seventy-one".