9827989427383 has 8 divisors (see below), whose sum is σ = 9863513932320. Its totient is φ = 9792468819840.

The previous prime is 9827989427281. The next prime is 9827989427407. The reversal of 9827989427383 is 3837249897289.

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 9827989427383 - 2³⁷ = 9690550473911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9827989227383) 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, 4126291 + ... + 6056587.

It is an arithmetic number, because the mean of its divisors is an integer number (1232939241540).

Almost surely, 2^{9827989427383} is an apocalyptic number.

9827989427383 is a deficient number, since it is larger than the sum of its proper divisors (35524504937).

9827989427383 is a wasteful number, since it uses less digits than its factorization.

9827989427383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948697.

The product of its digits is 2633637888, while the sum is 79.

The spelling of 9827989427383 in words is "nine trillion, eight hundred twenty-seven billion, nine hundred eighty-nine million, four hundred twenty-seven thousand, three hundred eighty-three".