76738819 has 2 divisors, whose sum is σ = 76738820. Its totient is φ = 76738818.

The previous prime is 76738817. The next prime is 76738847. The reversal of 76738819 is 91883767.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76738819 - 2¹ = 76738817 is a prime.

It is a super-2 number, since 2×76738819² = 11777692683029522, which contains 22 as substring.

Together with 76738817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76738813) 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, 38369409 + 38369410.

It is an arithmetic number, because the mean of its divisors is an integer number (38369410).

Almost surely, 2^76738819 is an apocalyptic number.

76738819 is a deficient number, since it is larger than the sum of its proper divisors (1).

76738819 is an equidigital number, since it uses as much as digits as its factorization.

76738819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 76738819 is about 8760.0695773493. The cubic root of 76738819 is about 424.9505252673.

The spelling of 76738819 in words is "seventy-six million, seven hundred thirty-eight thousand, eight hundred nineteen".