76865656867 has 2 divisors, whose sum is σ = 76865656868. Its totient is φ = 76865656866.

The previous prime is 76865656849. The next prime is 76865656939.

76865656867 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 76865656867 - 2²³ = 76857268259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76865656796 and 76865656805.

It is not a weakly prime, because it can be changed into another prime (76865650867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38432828433 + 38432828434.

It is an arithmetic number, because the mean of its divisors is an integer number (38432828434).

Almost surely, 2^76865656867 is an apocalyptic number.

76865656867 is a deficient number, since it is larger than the sum of its proper divisors (1).

76865656867 is an equidigital number, since it uses as much as digits as its factorization.

76865656867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 609638400, while the sum is 70.

The spelling of 76865656867 in words is "seventy-six billion, eight hundred sixty-five million, six hundred fifty-six thousand, eight hundred sixty-seven".