9787136312 has 16 divisors (see below), whose sum is σ = 18368904600. Its totient is φ = 4888761760.

The previous prime is 9787136309. The next prime is 9787136329. The reversal of 9787136312 is 2136317879.

It is a super-2 number, since 2×9787136312² (a number of 21 digits) contains 22 as substring.

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, 592139 + ... + 608442.

Almost surely, 2^9787136312 is an apocalyptic number.

It is an amenable number.

9787136312 is a deficient number, since it is larger than the sum of its proper divisors (8581768288).

9787136312 is a wasteful number, since it uses less digits than its factorization.

9787136312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201606 (or 1201602 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 9787136312 is about 98929.9565955631. The cubic root of 9787136312 is about 2139.0382256329.

The spelling of 9787136312 in words is "nine billion, seven hundred eighty-seven million, one hundred thirty-six thousand, three hundred twelve".