9876009401 has 16 divisors (see below), whose sum is σ = 10214221248. Its totient is φ = 9541800000.

The previous prime is 9876009397. The next prime is 9876009433. The reversal of 9876009401 is 1049006789.

It is a cyclic number.

It is not a de Polignac number, because 9876009401 - 2² = 9876009397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9876009301) 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, 3462626 + ... + 3465476.

It is an arithmetic number, because the mean of its divisors is an integer number (638388828).

Almost surely, 2^9876009401 is an apocalyptic number.

It is an amenable number.

9876009401 is a deficient number, since it is larger than the sum of its proper divisors (338211847).

9876009401 is a wasteful number, since it uses less digits than its factorization.

9876009401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9876009401 is about 99378.1132895971. The cubic root of 9876009401 is about 2145.4933110836.

The spelling of 9876009401 in words is "nine billion, eight hundred seventy-six million, nine thousand, four hundred one".