9447885385376 has 12 divisors (see below), whose sum is σ = 18600524352522. Its totient is φ = 4723942692672.

The previous prime is 9447885385339. The next prime is 9447885385391. The reversal of 9447885385376 is 6735835887449.

It can be written as a sum of positive squares in only one way, i.e., 6867942696976 + 2579942688400 = 2620676^2 + 1606220^2 .

It is a super-2 number, since 2×9447885385376² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9447885385297 and 9447885385306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147623209115 + ... + 147623209178.

Almost surely, 2^{9447885385376} is an apocalyptic number.

It is an amenable number.

9447885385376 is a deficient number, since it is larger than the sum of its proper divisors (9152638967146).

9447885385376 is a wasteful number, since it uses less digits than its factorization.

9447885385376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295246418303 (or 295246418295 counting only the distinct ones).

The product of its digits is 4877107200, while the sum is 77.

The spelling of 9447885385376 in words is "nine trillion, four hundred forty-seven billion, eight hundred eighty-five million, three hundred eighty-five thousand, three hundred seventy-six".