9447665071104 has 1584 divisors, whose sum is σ = 32463342213120. Its totient is φ = 2738983403520.

The previous prime is 9447665071067. The next prime is 9447665071129. The reversal of 9447665071104 is 4011705667449.

It is a happy number.

9447665071104 is a `hidden beast` number, since 9 + 4 + 476 + 6 + 50 + 7 + 110 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 74391063489 + ... + 74391063615.

Almost surely, 2^{9447665071104} 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 9447665071104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16231671106560).

9447665071104 is an abundant number, since it is smaller than the sum of its proper divisors (23015677142016).

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

9447665071104 is a wasteful number, since it uses less digits than its factorization.

9447665071104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 9447665071104 in words is "nine trillion, four hundred forty-seven billion, six hundred sixty-five million, seventy-one thousand, one hundred four".