11787894008 has 16 divisors (see below), whose sum is σ = 24111601560. Its totient is φ = 5358133600.

The previous prime is 11787893989. The next prime is 11787894011. The reversal of 11787894008 is 80049878711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66976583 + ... + 66976758.

Almost surely, 2^11787894008 is an apocalyptic number.

It is an amenable number.

11787894008 is an abundant number, since it is smaller than the sum of its proper divisors (12323707552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11787894008 is a wasteful number, since it uses less digits than its factorization.

11787894008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133953358 (or 133953354 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 11787894008 in words is "eleven billion, seven hundred eighty-seven million, eight hundred ninety-four thousand, eight".