9977415712 has 96 divisors (see below), whose sum is σ = 21851726400. Its totient is φ = 4446182400.

The previous prime is 9977415703. The next prime is 9977415733. The reversal of 9977415712 is 2175147799.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9977415712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8996214 + ... + 8997322.

It is an arithmetic number, because the mean of its divisors is an integer number (227622150).

Almost surely, 2^9977415712 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 9977415712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10925863200).

9977415712 is an abundant number, since it is smaller than the sum of its proper divisors (11874310688).

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

9977415712 is a wasteful number, since it uses less digits than its factorization.

9977415712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1602 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 52.

The square root of 9977415712 is about 99887.0147316457. The cubic root of 9977415712 is about 2152.8115884142.

The spelling of 9977415712 in words is "nine billion, nine hundred seventy-seven million, four hundred fifteen thousand, seven hundred twelve".