76822819 has 2 divisors, whose sum is σ = 76822820. Its totient is φ = 76822818.

The previous prime is 76822799. The next prime is 76822849. The reversal of 76822819 is 91822867.

It is a weak prime.

It is an emirp because it is prime and its reverse (91822867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76822819 - 2⁵ = 76822787 is a prime.

It is a super-2 number, since 2×76822819² = 11803491038213522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76822849) 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, 38411409 + 38411410.

It is an arithmetic number, because the mean of its divisors is an integer number (38411410).

Almost surely, 2^76822819 is an apocalyptic number.

76822819 is a deficient number, since it is larger than the sum of its proper divisors (1).

76822819 is an equidigital number, since it uses as much as digits as its factorization.

76822819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 76822819 is about 8764.8627484975. The cubic root of 76822819 is about 425.1055221256.

It can be divided in two parts, 7682 and 2819, that added together give a palindrome (10501).

The spelling of 76822819 in words is "seventy-six million, eight hundred twenty-two thousand, eight hundred nineteen".