9207227880 has 240 divisors, whose sum is σ = 32877323820. Its totient is φ = 2310598656.

The previous prime is 9207227849. The next prime is 9207227941. The reversal of 9207227880 is 887227029.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6686987076 + 2520240804 = 81774^2 + 50202^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 931444 + ... + 941276.

Almost surely, 2^9207227880 is an apocalyptic number.

9207227880 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 9207227880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16438661910).

9207227880 is an abundant number, since it is smaller than the sum of its proper divisors (23670095940).

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

9207227880 is a wasteful number, since it uses less digits than its factorization.

9207227880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9890 (or 9860 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 9207227880 is about 95954.3009979230. The cubic root of 9207227880 is about 2095.9276999758.

The spelling of 9207227880 in words is "nine billion, two hundred seven million, two hundred twenty-seven thousand, eight hundred eighty".