306768782667 has 16 divisors (see below), whose sum is σ = 416787275520. Its totient is φ = 200632235232.

The previous prime is 306768782651. The next prime is 306768782669. The reversal of 306768782667 is 766287867603.

It is not a de Polignac number, because 306768782667 - 2⁴ = 306768782651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306768782598 and 306768782607.

It is not an unprimeable number, because it can be changed into a prime (306768782669) 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 in 15 ways as a sum of consecutive naturals, for example, 1454184 + ... + 1651722.

It is an arithmetic number, because the mean of its divisors is an integer number (26049204720).

Almost surely, 2^306768782667 is an apocalyptic number.

306768782667 is a deficient number, since it is larger than the sum of its proper divisors (110018492853).

306768782667 is a wasteful number, since it uses less digits than its factorization.

306768782667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207362.

The product of its (nonzero) digits is 170698752, while the sum is 66.

The spelling of 306768782667 in words is "three hundred six billion, seven hundred sixty-eight million, seven hundred eighty-two thousand, six hundred sixty-seven".