76946563 has 2 divisors, whose sum is σ = 76946564. Its totient is φ = 76946562.

The previous prime is 76946549. The next prime is 76946579. The reversal of 76946563 is 36564967.

It is a weak prime.

It is an emirp because it is prime and its reverse (36564967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76946563 - 2⁵ = 76946531 is a prime.

It is not a weakly prime, because it can be changed into another prime (76946263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38473281 + 38473282.

It is an arithmetic number, because the mean of its divisors is an integer number (38473282).

Almost surely, 2^76946563 is an apocalyptic number.

76946563 is a deficient number, since it is larger than the sum of its proper divisors (1).

76946563 is an equidigital number, since it uses as much as digits as its factorization.

76946563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 76946563 is about 8771.9190032740. The cubic root of 76946563 is about 425.3336489555. Note that the first 3 decimals are identical.

The spelling of 76946563 in words is "seventy-six million, nine hundred forty-six thousand, five hundred sixty-three".