9968512089 has 8 divisors (see below), whose sum is σ = 13990894240. Its totient is φ = 6295902336.

The previous prime is 9968512069. The next prime is 9968512093. The reversal of 9968512089 is 9802158699.

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

It is not a de Polignac number, because 9968512089 - 2¹⁹ = 9967987801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 174886177 = 9968512089 / (9 + 9 + 6 + 8 + 5 + 1 + 2 + 0 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9968512009) 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, 87443032 + ... + 87443145.

It is an arithmetic number, because the mean of its divisors is an integer number (1748861780).

Almost surely, 2^9968512089 is an apocalyptic number.

It is an amenable number.

9968512089 is a deficient number, since it is larger than the sum of its proper divisors (4022382151).

9968512089 is a wasteful number, since it uses less digits than its factorization.

9968512089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174886199.

The product of its (nonzero) digits is 2799360, while the sum is 57.

The square root of 9968512089 is about 99842.4363134234. The cubic root of 9968512089 is about 2152.1710241706.

The spelling of 9968512089 in words is "nine billion, nine hundred sixty-eight million, five hundred twelve thousand, eighty-nine".