9877744260 has 120 divisors (see below), whose sum is σ = 32809696920. Its totient is φ = 2479113216.

The previous prime is 9877744229. The next prime is 9877744267. The reversal of 9877744260 is 624477789.

It can be written as a sum of positive squares in 4 ways, for example, as 1910039616 + 7967704644 = 43704^2 + 89262^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9877744197 and 9877744206.

It is not an unprimeable number, because it can be changed into a prime (9877744267) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 151795 + ... + 206874.

It is an arithmetic number, because the mean of its divisors is an integer number (273414141).

Almost surely, 2^9877744260 is an apocalyptic number.

9877744260 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9877744260 is an abundant number, since it is smaller than the sum of its proper divisors (22931952660).

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

9877744260 is a wasteful number, since it uses less digits than its factorization.

9877744260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358707 (or 358696 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The square root of 9877744260 is about 99386.8414831662. The cubic root of 9877744260 is about 2145.6189323510.

The spelling of 9877744260 in words is "nine billion, eight hundred seventy-seven million, seven hundred forty-four thousand, two hundred sixty".