76823563 has 2 divisors, whose sum is σ = 76823564. Its totient is φ = 76823562.

The previous prime is 76823557. The next prime is 76823567. The reversal of 76823563 is 36532867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76823563 is a prime.

It is not a weakly prime, because it can be changed into another prime (76823567) 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, 38411781 + 38411782.

It is an arithmetic number, because the mean of its divisors is an integer number (38411782).

Almost surely, 2^76823563 is an apocalyptic number.

76823563 is a deficient number, since it is larger than the sum of its proper divisors (1).

76823563 is an equidigital number, since it uses as much as digits as its factorization.

76823563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 76823563 is about 8764.9051905882. The cubic root of 76823563 is about 425.1068944500.

The spelling of 76823563 in words is "seventy-six million, eight hundred twenty-three thousand, five hundred sixty-three".