9134874787 has 4 divisors (see below), whose sum is σ = 9532043280. Its totient is φ = 8737706296.

The previous prime is 9134874781. The next prime is 9134874797. The reversal of 9134874787 is 7874784319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9134874787 - 2⁷ = 9134874659 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9134874781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198584212 + ... + 198584257.

It is an arithmetic number, because the mean of its divisors is an integer number (2383010820).

Almost surely, 2^9134874787 is an apocalyptic number.

9134874787 is a deficient number, since it is larger than the sum of its proper divisors (397168493).

9134874787 is a wasteful number, since it uses less digits than its factorization.

9134874787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397168492.

The product of its digits is 9483264, while the sum is 58.

The square root of 9134874787 is about 95576.5388942286. The cubic root of 9134874787 is about 2090.4231179394.

The spelling of 9134874787 in words is "nine billion, one hundred thirty-four million, eight hundred seventy-four thousand, seven hundred eighty-seven".