76947163 has 2 divisors, whose sum is σ = 76947164. Its totient is φ = 76947162.

The previous prime is 76947109. The next prime is 76947191. The reversal of 76947163 is 36174967.

It is a strong prime.

It is an emirp because it is prime and its reverse (36174967) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76947163 is a prime.

It is not a weakly prime, because it can be changed into another prime (76947193) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38473581 + 38473582.

It is an arithmetic number, because the mean of its divisors is an integer number (38473582).

Almost surely, 2^76947163 is an apocalyptic number.

76947163 is a deficient number, since it is larger than the sum of its proper divisors (1).

76947163 is an equidigital number, since it uses as much as digits as its factorization.

76947163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 76947163 is about 8771.9532032495. The cubic root of 76947163 is about 425.3347544826.

The spelling of 76947163 in words is "seventy-six million, nine hundred forty-seven thousand, one hundred sixty-three".