9967299408 has 120 divisors (see below), whose sum is σ = 30744657216. Its totient is φ = 2989209600.

The previous prime is 9967299401. The next prime is 9967299431. The reversal of 9967299408 is 8049927699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967299401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121213 + ... + 186083.

Almost surely, 2^9967299408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9967299408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15372328608).

9967299408 is an abundant number, since it is smaller than the sum of its proper divisors (20777357808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9967299408 is a wasteful number, since it uses less digits than its factorization.

9967299408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64993 (or 64984 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The square root of 9967299408 is about 99836.3631549147. The cubic root of 9967299408 is about 2152.0837492685.

The spelling of 9967299408 in words is "nine billion, nine hundred sixty-seven million, two hundred ninety-nine thousand, four hundred eight".