9770899520 has 56 divisors (see below), whose sum is σ = 23480496600. Its totient is φ = 3872489472.

The previous prime is 9770899487. The next prime is 9770899573. The reversal of 9770899520 is 259980779.

It can be written as a sum of positive squares in 4 ways, for example, as 1349533696 + 8421365824 = 36736^2 + 91768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105185 + ... + 174944.

Almost surely, 2^9770899520 is an apocalyptic number.

It is an amenable number.

9770899520 is an abundant number, since it is smaller than the sum of its proper divisors (13709597080).

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

9770899520 is a wasteful number, since it uses less digits than its factorization.

9770899520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280255 (or 280245 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 9770899520 is about 98847.8604725464. The cubic root of 9770899520 is about 2137.8546876503.

The spelling of 9770899520 in words is "nine billion, seven hundred seventy million, eight hundred ninety-nine thousand, five hundred twenty".