9117931734 has 24 divisors (see below), whose sum is σ = 19780651800. Its totient is φ = 3035443968.

The previous prime is 9117931729. The next prime is 9117931741. The reversal of 9117931734 is 4371397119.

It is a self number, because there is not a number n which added to its sum of digits gives 9117931734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307659 + ... + 335990.

It is an arithmetic number, because the mean of its divisors is an integer number (824193825).

Almost surely, 2^9117931734 is an apocalyptic number.

9117931734 is an abundant number, since it is smaller than the sum of its proper divisors (10662720066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9117931734 is a wasteful number, since it uses less digits than its factorization.

9117931734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644444 (or 644441 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 9117931734 is about 95487.8617102718. The cubic root of 9117931734 is about 2089.1299029965.

The spelling of 9117931734 in words is "nine billion, one hundred seventeen million, nine hundred thirty-one thousand, seven hundred thirty-four".