9712713578 has 8 divisors (see below), whose sum is σ = 14631599268. Its totient is φ = 4835513824.

The previous prime is 9712713541. The next prime is 9712713587. The reversal of 9712713578 is 8753172179.

It can be written as a sum of positive squares in 2 ways, for example, as 9639901489 + 72812089 = 98183^2 + 8533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10420901 + ... + 10421832.

Almost surely, 2^9712713578 is an apocalyptic number.

9712713578 is a deficient number, since it is larger than the sum of its proper divisors (4918885690).

9712713578 is a wasteful number, since it uses less digits than its factorization.

9712713578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20842968.

The product of its digits is 740880, while the sum is 50.

The square root of 9712713578 is about 98553.1002962362. The cubic root of 9712713578 is about 2133.6025772537.

The spelling of 9712713578 in words is "nine billion, seven hundred twelve million, seven hundred thirteen thousand, five hundred seventy-eight".