8987891383 has 8 divisors (see below), whose sum is σ = 9323657280. Its totient is φ = 8657675520.

The previous prime is 8987891369. The next prime is 8987891417. The reversal of 8987891383 is 3831987898.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8987891383 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 (8987891303) 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 7 ways as a sum of consecutive naturals, for example, 1384210 + ... + 1390687.

It is an arithmetic number, because the mean of its divisors is an integer number (1165457160).

Almost surely, 2^8987891383 is an apocalyptic number.

8987891383 is a deficient number, since it is larger than the sum of its proper divisors (335765897).

8987891383 is a wasteful number, since it uses less digits than its factorization.

8987891383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775017.

The product of its digits is 20901888, while the sum is 64.

The square root of 8987891383 is about 94804.4903103223. The cubic root of 8987891383 is about 2079.1505548182.

The spelling of 8987891383 in words is "eight billion, nine hundred eighty-seven million, eight hundred ninety-one thousand, three hundred eighty-three".