9777134243 has 8 divisors (see below), whose sum is σ = 10040053248. Its totient is φ = 9517120704.

The previous prime is 9777134233. The next prime is 9777134291. The reversal of 9777134243 is 3424317779.

9777134243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9777134243 - 2⁶ = 9777134179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9777134203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719546 + ... + 733007.

It is an arithmetic number, because the mean of its divisors is an integer number (1255006656).

Almost surely, 2^9777134243 is an apocalyptic number.

9777134243 is a deficient number, since it is larger than the sum of its proper divisors (262919005).

9777134243 is a wasteful number, since it uses less digits than its factorization.

9777134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452733.

The product of its digits is 889056, while the sum is 47.

The square root of 9777134243 is about 98879.3924081252. The cubic root of 9777134243 is about 2138.3093062432.

The spelling of 9777134243 in words is "nine billion, seven hundred seventy-seven million, one hundred thirty-four thousand, two hundred forty-three".