9127398540 has 96 divisors (see below), whose sum is σ = 27563530176. Its totient is φ = 2243404800.

The previous prime is 9127398521. The next prime is 9127398547. The reversal of 9127398540 is 458937219.

It is a self number, because there is not a number n which added to its sum of digits gives 9127398540.

It is not an unprimeable number, because it can be changed into a prime (9127398547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538434 + ... + 555126.

It is an arithmetic number, because the mean of its divisors is an integer number (287120106).

Almost surely, 2^9127398540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9127398540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13781765088).

9127398540 is an abundant number, since it is smaller than the sum of its proper divisors (18436131636).

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

9127398540 is a wasteful number, since it uses less digits than its factorization.

9127398540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17419 (or 17417 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 9127398540 is about 95537.4195799740. The cubic root of 9127398540 is about 2089.8526746117.

The spelling of 9127398540 in words is "nine billion, one hundred twenty-seven million, three hundred ninety-eight thousand, five hundred forty".