9877071712 has 24 divisors (see below), whose sum is σ = 19679773176. Its totient is φ = 4879034112.

The previous prime is 9877071709. The next prime is 9877071719. The reversal of 9877071712 is 2171707789.

It is a super-2 number, since 2×9877071712² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9877071719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856733 + ... + 1862044.

It is an arithmetic number, because the mean of its divisors is an integer number (819990549).

Almost surely, 2^9877071712 is an apocalyptic number.

It is an amenable number.

9877071712 is a deficient number, since it is larger than the sum of its proper divisors (9802701464).

9877071712 is a wasteful number, since it uses less digits than its factorization.

9877071712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718870 (or 3718862 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 49.

The square root of 9877071712 is about 99383.4579394378. The cubic root of 9877071712 is about 2145.5702348469.

The spelling of 9877071712 in words is "nine billion, eight hundred seventy-seven million, seventy-one thousand, seven hundred twelve".