11772878332 has 24 divisors (see below), whose sum is σ = 20797463232. Its totient is φ = 5830809600.

The previous prime is 11772878323. The next prime is 11772878489. The reversal of 11772878332 is 23387827711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838732 + ... + 852652.

It is an arithmetic number, because the mean of its divisors is an integer number (866560968).

Almost surely, 2^11772878332 is an apocalyptic number.

It is an amenable number.

11772878332 is a deficient number, since it is larger than the sum of its proper divisors (9024584900).

11772878332 is a wasteful number, since it uses less digits than its factorization.

11772878332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909 (or 15907 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The spelling of 11772878332 in words is "eleven billion, seven hundred seventy-two million, eight hundred seventy-eight thousand, three hundred thirty-two".