9877720230 has 64 divisors (see below), whose sum is σ = 30103534080. Its totient is φ = 2257764192.

The previous prime is 9877720211. The next prime is 9877720241. The reversal of 9877720230 is 320277789.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2611264 + ... + 2615043.

It is an arithmetic number, because the mean of its divisors is an integer number (470367720).

Almost surely, 2^9877720230 is an apocalyptic number.

9877720230 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9877720230 is an abundant number, since it is smaller than the sum of its proper divisors (20225813850).

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

9877720230 is a wasteful number, since it uses less digits than its factorization.

9877720230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226330 (or 5226324 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 9877720230 is about 99386.7205918376. The cubic root of 9877720230 is about 2145.6171924374.

The spelling of 9877720230 in words is "nine billion, eight hundred seventy-seven million, seven hundred twenty thousand, two hundred thirty".