11789078667 has 8 divisors (see below), whose sum is σ = 16053213696. Its totient is φ = 7692164712.

The previous prime is 11789078627. The next prime is 11789078681. The reversal of 11789078667 is 76687098711.

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

It is not a de Polignac number, because 11789078667 - 2¹¹ = 11789076619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11789078667.

It is not an unprimeable number, because it can be changed into a prime (11789078627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41805103 + ... + 41805384.

It is an arithmetic number, because the mean of its divisors is an integer number (2006651712).

Almost surely, 2^11789078667 is an apocalyptic number.

11789078667 is a deficient number, since it is larger than the sum of its proper divisors (4264135029).

11789078667 is an equidigital number, since it uses as much as digits as its factorization.

11789078667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83610537.

The product of its (nonzero) digits is 7112448, while the sum is 60.

The spelling of 11789078667 in words is "eleven billion, seven hundred eighty-nine million, seventy-eight thousand, six hundred sixty-seven".