11778906839 has 8 divisors (see below), whose sum is σ = 13466602368. Its totient is φ = 10092459960.

The previous prime is 11778906827. The next prime is 11778906877. The reversal of 11778906839 is 93860987711.

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 11778906839 - 2⁴ = 11778906823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778906889) 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, 291857 + ... + 329754.

It is an arithmetic number, because the mean of its divisors is an integer number (1683325296).

Almost surely, 2^11778906839 is an apocalyptic number.

11778906839 is a deficient number, since it is larger than the sum of its proper divisors (1687695529).

11778906839 is an equidigital number, since it uses as much as digits as its factorization.

11778906839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624325.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 11778906839 in words is "eleven billion, seven hundred seventy-eight million, nine hundred six thousand, eight hundred thirty-nine".