9877491200 has 60 divisors (see below), whose sum is σ = 24472287840. Its totient is φ = 3950991360.

The previous prime is 9877491187. The next prime is 9877491209. The reversal of 9877491200 is 21947789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9877491209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373040 + ... + 398639.

It is an arithmetic number, because the mean of its divisors is an integer number (407871464).

Almost surely, 2^9877491200 is an apocalyptic number.

It is an amenable number.

9877491200 is an abundant number, since it is smaller than the sum of its proper divisors (14594796640).

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

9877491200 is an equidigital number, since it uses as much as digits as its factorization.

9877491200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771707 (or 771686 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 9877491200 is about 99385.5683688532. The cubic root of 9877491200 is about 2145.6006091742.

The spelling of 9877491200 in words is "nine billion, eight hundred seventy-seven million, four hundred ninety-one thousand, two hundred".