9678356734 has 16 divisors (see below), whose sum is σ = 15373665216. Its totient is φ = 4553881600.

The previous prime is 9678356719. The next prime is 9678356741. The reversal of 9678356734 is 4376538769.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300219 + ... + 330889.

It is an arithmetic number, because the mean of its divisors is an integer number (960854076).

Almost surely, 2^9678356734 is an apocalyptic number.

9678356734 is a deficient number, since it is larger than the sum of its proper divisors (5695308482).

9678356734 is a wasteful number, since it uses less digits than its factorization.

9678356734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39971.

The product of its digits is 22861440, while the sum is 58.

The square root of 9678356734 is about 98378.6396226335. The cubic root of 9678356734 is about 2131.0838697439.

The spelling of 9678356734 in words is "nine billion, six hundred seventy-eight million, three hundred fifty-six thousand, seven hundred thirty-four".