9876734564 has 24 divisors (see below), whose sum is σ = 17802677760. Its totient is φ = 4791026016.

The previous prime is 9876734533. The next prime is 9876734573. The reversal of 9876734564 is 4654376789.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44804 + ... + 147515.

It is an arithmetic number, because the mean of its divisors is an integer number (741778240).

Almost surely, 2^9876734564 is an apocalyptic number.

It is an amenable number.

9876734564 is a deficient number, since it is larger than the sum of its proper divisors (7925943196).

9876734564 is a wasteful number, since it uses less digits than its factorization.

9876734564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192707 (or 192705 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The square root of 9876734564 is about 99381.7617271902. The cubic root of 9876734564 is about 2145.5458219789.

It can be divided in two parts, 98767 and 34564, that added together give a palindrome (133331).

The spelling of 9876734564 in words is "nine billion, eight hundred seventy-six million, seven hundred thirty-four thousand, five hundred sixty-four".