9776440900 has 36 divisors (see below), whose sum is σ = 21275052372. Its totient is φ = 3899484160.

The previous prime is 9776440837. The next prime is 9776440909. The reversal of 9776440900 is 90446779.

It can be written as a sum of positive squares in 6 ways, for example, as 313431616 + 9463009284 = 17704^2 + 97278^2 .

It is not an unprimeable number, because it can be changed into a prime (9776440909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103177 + ... + 173776.

It is an arithmetic number, because the mean of its divisors is an integer number (590973677).

Almost surely, 2^9776440900 is an apocalyptic number.

It is an amenable number.

9776440900 is an abundant number, since it is smaller than the sum of its proper divisors (11498611472).

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

9776440900 is a wasteful number, since it uses less digits than its factorization.

9776440900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277320 (or 277313 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 9776440900 is about 98875.8863424243. The cubic root of 9776440900 is about 2138.2587591606.

The spelling of 9776440900 in words is "nine billion, seven hundred seventy-six million, four hundred forty thousand, nine hundred".