9770049520 has 320 divisors, whose sum is σ = 29104137216. Its totient is φ = 2962391040.

The previous prime is 9770049517. The next prime is 9770049529. The reversal of 9770049520 is 259400779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770049529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49594062 + ... + 49594258.

Almost surely, 2^9770049520 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 9770049520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14552068608).

9770049520 is an abundant number, since it is smaller than the sum of its proper divisors (19334087696).

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

9770049520 is a wasteful number, since it uses less digits than its factorization.

9770049520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 9770049520 is about 98843.5608423735. The cubic root of 9770049520 is about 2137.7926930449.

The spelling of 9770049520 in words is "nine billion, seven hundred seventy million, forty-nine thousand, five hundred twenty".