11787938797 has 8 divisors (see below), whose sum is σ = 12097995840. Its totient is φ = 11481882720.

The previous prime is 11787938719. The next prime is 11787938801. The reversal of 11787938797 is 79783978711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11787938797 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 (11787938597) 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, 994272 + ... + 1006057.

It is an arithmetic number, because the mean of its divisors is an integer number (1512249480).

Almost surely, 2^11787938797 is an apocalyptic number.

It is an amenable number.

11787938797 is a deficient number, since it is larger than the sum of its proper divisors (310057043).

11787938797 is an equidigital number, since it uses as much as digits as its factorization.

11787938797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000483.

The product of its digits is 37340352, while the sum is 67.

The spelling of 11787938797 in words is "eleven billion, seven hundred eighty-seven million, nine hundred thirty-eight thousand, seven hundred ninety-seven".