11487797976 has 16 divisors (see below), whose sum is σ = 28719495000. Its totient is φ = 3829265984.

The previous prime is 11487797939. The next prime is 11487797983. The reversal of 11487797976 is 67979778411.

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, 239329101 + ... + 239329148.

Almost surely, 2^11487797976 is an apocalyptic number.

It is an amenable number.

11487797976 is an abundant number, since it is smaller than the sum of its proper divisors (17231697024).

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

11487797976 is a wasteful number, since it uses less digits than its factorization.

11487797976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478658258 (or 478658254 counting only the distinct ones).

The product of its digits is 37340352, while the sum is 66.

The spelling of 11487797976 in words is "eleven billion, four hundred eighty-seven million, seven hundred ninety-seven thousand, nine hundred seventy-six".