9893479680 has 432 divisors, whose sum is σ = 39641172480. Its totient is φ = 2231304192.

The previous prime is 9893479667. The next prime is 9893479699. The reversal of 9893479680 is 869743989.

9893479680 is a `hidden beast` number, since 9 + 89 + 3 + 479 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6369784 + ... + 6371336.

Almost surely, 2^9893479680 is an apocalyptic number.

9893479680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9893479680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19820586240).

9893479680 is an abundant number, since it is smaller than the sum of its proper divisors (29747692800).

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

9893479680 is a wasteful number, since it uses less digits than its factorization.

9893479680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The square root of 9893479680 is about 99465.9724730020. The cubic root of 9893479680 is about 2146.7576640995.

The spelling of 9893479680 in words is "nine billion, eight hundred ninety-three million, four hundred seventy-nine thousand, six hundred eighty".