9989180967 has 8 divisors (see below), whose sum is σ = 13408297200. Its totient is φ = 6614759360.

The previous prime is 9989180963. The next prime is 9989180969. The reversal of 9989180967 is 7690819899.

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 9989180967 - 2² = 9989180963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9989180898 and 9989180907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989180963) 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, 11173134 + ... + 11174027.

It is an arithmetic number, because the mean of its divisors is an integer number (1676037150).

Almost surely, 2^9989180967 is an apocalyptic number.

9989180967 is a deficient number, since it is larger than the sum of its proper divisors (3419116233).

9989180967 is a wasteful number, since it uses less digits than its factorization.

9989180967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22347313.

The product of its (nonzero) digits is 17635968, while the sum is 66.

The square root of 9989180967 is about 99945.8901956454. The cubic root of 9989180967 is about 2153.6574463300.

The spelling of 9989180967 in words is "nine billion, nine hundred eighty-nine million, one hundred eighty thousand, nine hundred sixty-seven".