9883981457 has 8 divisors (see below), whose sum is σ = 11298941376. Its totient is φ = 8469762192.

The previous prime is 9883981453. The next prime is 9883981477. The reversal of 9883981457 is 7541893889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9883981457 - 2² = 9883981453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9883981457.

It is not an unprimeable number, because it can be changed into a prime (9883981453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156263 + ... + 210204.

It is an arithmetic number, because the mean of its divisors is an integer number (1412367672).

Almost surely, 2^9883981457 is an apocalyptic number.

It is an amenable number.

9883981457 is a deficient number, since it is larger than the sum of its proper divisors (1414959919).

9883981457 is a wasteful number, since it uses less digits than its factorization.

9883981457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370327.

The product of its digits is 17418240, while the sum is 62.

The square root of 9883981457 is about 99418.2149155777. The cubic root of 9883981457 is about 2146.0704467800.

The spelling of 9883981457 in words is "nine billion, eight hundred eighty-three million, nine hundred eighty-one thousand, four hundred fifty-seven".