76684243043 has 2 divisors, whose sum is σ = 76684243044. Its totient is φ = 76684243042.

The previous prime is 76684243039. The next prime is 76684243061. The reversal of 76684243043 is 34034248667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76684243043 - 2² = 76684243039 is a prime.

It is not a weakly prime, because it can be changed into another prime (76684243243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38342121521 + 38342121522.

It is an arithmetic number, because the mean of its divisors is an integer number (38342121522).

Almost surely, 2^76684243043 is an apocalyptic number.

76684243043 is a deficient number, since it is larger than the sum of its proper divisors (1).

76684243043 is an equidigital number, since it uses as much as digits as its factorization.

76684243043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 76684243043 in words is "seventy-six billion, six hundred eighty-four million, two hundred forty-three thousand, forty-three".