11772878326 has 8 divisors (see below), whose sum is σ = 19264710024. Its totient is φ = 5351308320.

The previous prime is 11772878323. The next prime is 11772878489. The reversal of 11772878326 is 62387827711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772878323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267565395 + ... + 267565438.

It is an arithmetic number, because the mean of its divisors is an integer number (2408088753).

Almost surely, 2^11772878326 is an apocalyptic number.

11772878326 is a deficient number, since it is larger than the sum of its proper divisors (7491831698).

11772878326 is a wasteful number, since it uses less digits than its factorization.

11772878326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535130846.

The product of its digits is 1580544, while the sum is 52.

It can be divided in two parts, 11772 and 878326, that added together give a palindrome (890098).

The spelling of 11772878326 in words is "eleven billion, seven hundred seventy-two million, eight hundred seventy-eight thousand, three hundred twenty-six".