9968808780 has 96 divisors (see below), whose sum is σ = 35444666880. Its totient is φ = 2278584000.

The previous prime is 9968808779. The next prime is 9968808791. The reversal of 9968808780 is 878088699.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1314846 + ... + 1322405.

It is an arithmetic number, because the mean of its divisors is an integer number (369215280).

Almost surely, 2^9968808780 is an apocalyptic number.

9968808780 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9968808780 is an abundant number, since it is smaller than the sum of its proper divisors (25475858100).

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

9968808780 is a wasteful number, since it uses less digits than its factorization.

9968808780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637276 (or 2637268 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The square root of 9968808780 is about 99843.9220984432. The cubic root of 9968808780 is about 2152.1923755162.

The spelling of 9968808780 in words is "nine billion, nine hundred sixty-eight million, eight hundred eight thousand, seven hundred eighty".