9237378561 has 16 divisors (see below), whose sum is σ = 13090621440. Its totient is φ = 5777488080.

The previous prime is 9237378559. The next prime is 9237378571. The reversal of 9237378561 is 1658737329.

It is not a de Polignac number, because 9237378561 - 2¹ = 9237378559 is a prime.

It is a super-3 number, since 3×9237378561³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9237378541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780825 + ... + 792566.

It is an arithmetic number, because the mean of its divisors is an integer number (818163840).

Almost surely, 2^9237378561 is an apocalyptic number.

It is an amenable number.

9237378561 is a deficient number, since it is larger than the sum of its proper divisors (3853242879).

9237378561 is a wasteful number, since it uses less digits than its factorization.

9237378561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573516.

The product of its digits is 1905120, while the sum is 51.

The square root of 9237378561 is about 96111.2821733224. The cubic root of 9237378561 is about 2098.2130347138.

The spelling of 9237378561 in words is "nine billion, two hundred thirty-seven million, three hundred seventy-eight thousand, five hundred sixty-one".