9277978560 has 224 divisors, whose sum is σ = 30471904512. Its totient is φ = 2390138880.

The previous prime is 9277978537. The next prime is 9277978573. The reversal of 9277978560 is 658797729.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 9277978494 and 9277978503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4210419 + ... + 4212621.

It is an arithmetic number, because the mean of its divisors is an integer number (136035288).

Almost surely, 2^9277978560 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 9277978560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15235952256).

9277978560 is an abundant number, since it is smaller than the sum of its proper divisors (21193925952).

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

9277978560 is a wasteful number, since it uses less digits than its factorization.

9277978560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 60.

The square root of 9277978560 is about 96322.2640929915. The cubic root of 9277978560 is about 2101.2825544015.

The spelling of 9277978560 in words is "nine billion, two hundred seventy-seven million, nine hundred seventy-eight thousand, five hundred sixty".