9712712380 has 72 divisors (see below), whose sum is σ = 24368123808. Its totient is φ = 3240058752.

The previous prime is 9712712371. The next prime is 9712712381. The reversal of 9712712380 is 832172179.

It is a happy number.

9712712380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712712381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97672 + ... + 170191.

It is an arithmetic number, because the mean of its divisors is an integer number (338446164).

Almost surely, 2^9712712380 is an apocalyptic number.

It is an amenable number.

9712712380 is an abundant number, since it is smaller than the sum of its proper divisors (14655411428).

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

9712712380 is a wasteful number, since it uses less digits than its factorization.

9712712380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267923 (or 267914 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 9712712380 is about 98553.0942182943. The cubic root of 9712712380 is about 2133.6024895317.

The spelling of 9712712380 in words is "nine billion, seven hundred twelve million, seven hundred twelve thousand, three hundred eighty".