9279488880 has 240 divisors, whose sum is σ = 31728996000. Its totient is φ = 2430050304.

The previous prime is 9279488861. The next prime is 9279488987. The reversal of 9279488880 is 888849729.

It is a happy number.

9279488880 is a `hidden beast` number, since 9 + 2 + 79 + 488 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×9279488880² (a number of 21 digits) contains 22 as substring.

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, 11469916 + ... + 11470724.

It is an arithmetic number, because the mean of its divisors is an integer number (132204150).

Almost surely, 2^9279488880 is an apocalyptic number.

9279488880 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 9279488880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15864498000).

9279488880 is an abundant number, since it is smaller than the sum of its proper divisors (22449507120).

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

9279488880 is a wasteful number, since it uses less digits than its factorization.

9279488880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The square root of 9279488880 is about 96330.1037059548. The cubic root of 9279488880 is about 2101.3965676303.

The spelling of 9279488880 in words is "nine billion, two hundred seventy-nine million, four hundred eighty-eight thousand, eight hundred eighty".