11770383987 has 12 divisors (see below), whose sum is σ = 17059695744. Its totient is φ = 7820139600.

The previous prime is 11770383973. The next prime is 11770384007. The reversal of 11770383987 is 78938307711.

It is a happy number.

11770383987 is a `hidden beast` number, since 1 + 177 + 0 + 383 + 98 + 7 = 666.

It is not a de Polignac number, because 11770383987 - 2⁴ = 11770383971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11770383917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2229139 + ... + 2234412.

It is an arithmetic number, because the mean of its divisors is an integer number (1421641312).

Almost surely, 2^11770383987 is an apocalyptic number.

11770383987 is a deficient number, since it is larger than the sum of its proper divisors (5289311757).

11770383987 is a wasteful number, since it uses less digits than its factorization.

11770383987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463850 (or 4463847 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 11770383987 in words is "eleven billion, seven hundred seventy million, three hundred eighty-three thousand, nine hundred eighty-seven".