11787147967 has 8 divisors (see below), whose sum is σ = 13474195616. Its totient is φ = 10100892672.

The previous prime is 11787147947. The next prime is 11787147997. The reversal of 11787147967 is 76974178711.

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 11787147967 - 2²³ = 11778759359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11787147947) 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, 165858 + ... + 226015.

It is an arithmetic number, because the mean of its divisors is an integer number (1684274452).

Almost surely, 2^11787147967 is an apocalyptic number.

11787147967 is a deficient number, since it is larger than the sum of its proper divisors (1687047649).

11787147967 is an equidigital number, since it uses as much as digits as its factorization.

11787147967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396177.

The product of its digits is 4148928, while the sum is 58.

The spelling of 11787147967 in words is "eleven billion, seven hundred eighty-seven million, one hundred forty-seven thousand, nine hundred sixty-seven".