9613788912 has 200 divisors, whose sum is σ = 34246690016. Its totient is φ = 2535473664.

The previous prime is 9613788893. The next prime is 9613788931. The reversal of 9613788912 is 2198873169.

9613788912 is a `hidden beast` number, since 9 + 613 + 7 + 8 + 8 + 9 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (9613788893) and next prime (9613788931).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77178 + ... + 158694.

Almost surely, 2^9613788912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9613788912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17123345008).

9613788912 is an abundant number, since it is smaller than the sum of its proper divisors (24632901104).

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

9613788912 is a wasteful number, since it uses less digits than its factorization.

9613788912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81557 (or 81542 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9613788912 is about 98049.9307087975. The cubic root of 9613788912 is about 2126.3342144449.

It can be divided in two parts, 961 and 3788912, that added together give a palindrome (3789873).

The spelling of 9613788912 in words is "nine billion, six hundred thirteen million, seven hundred eighty-eight thousand, nine hundred twelve".