9797781734 has 32 divisors (see below), whose sum is σ = 16770843936. Its totient is φ = 4252838400.

The previous prime is 9797781709. The next prime is 9797781739. The reversal of 9797781734 is 4371877979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9797781739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633704 + ... + 648980.

It is an arithmetic number, because the mean of its divisors is an integer number (524088873).

Almost surely, 2^9797781734 is an apocalyptic number.

9797781734 is a deficient number, since it is larger than the sum of its proper divisors (6973062202).

9797781734 is a wasteful number, since it uses less digits than its factorization.

9797781734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760.

The product of its digits is 18670176, while the sum is 62.

The square root of 9797781734 is about 98983.7447968099. The cubic root of 9797781734 is about 2139.8134852148.

The spelling of 9797781734 in words is "nine billion, seven hundred ninety-seven million, seven hundred eighty-one thousand, seven hundred thirty-four".