76810812667 has 8 divisors (see below), whose sum is σ = 78740822336. Its totient is φ = 74887335432.

The previous prime is 76810812629. The next prime is 76810812691. The reversal of 76810812667 is 76621801867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76810812667 - 2⁷ = 76810812539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76810822667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609293 + ... + 1656334.

It is an arithmetic number, because the mean of its divisors is an integer number (9842602792).

Almost surely, 2^76810812667 is an apocalyptic number.

76810812667 is a deficient number, since it is larger than the sum of its proper divisors (1930009669).

76810812667 is a wasteful number, since it uses less digits than its factorization.

76810812667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266217.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 76810812667 in words is "seventy-six billion, eight hundred ten million, eight hundred twelve thousand, six hundred sixty-seven".