9128840537 has 16 divisors (see below), whose sum is σ = 9477726720. Its totient is φ = 8783510400.

The previous prime is 9128840519. The next prime is 9128840561. The reversal of 9128840537 is 7350488219.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9128840537 - 2⁶ = 9128840473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9128840491 and 9128840500.

It is not an unprimeable number, because it can be changed into a prime (9128840587) 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, 5391263 + ... + 5392955.

It is an arithmetic number, because the mean of its divisors is an integer number (592357920).

Almost surely, 2^9128840537 is an apocalyptic number.

It is an amenable number.

9128840537 is a deficient number, since it is larger than the sum of its proper divisors (348886183).

9128840537 is a wasteful number, since it uses less digits than its factorization.

9128840537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 9128840537 is about 95544.9660474062. The cubic root of 9128840537 is about 2089.9627243186.

The spelling of 9128840537 in words is "nine billion, one hundred twenty-eight million, eight hundred forty thousand, five hundred thirty-seven".