9885447133472 has 12 divisors (see below), whose sum is σ = 19461974044086. Its totient is φ = 4942723566720.

The previous prime is 9885447133447. The next prime is 9885447133481. The reversal of 9885447133472 is 2743317445889.

It can be written as a sum of positive squares in only one way, i.e., 9612256932496 + 273190200976 = 3100364^2 + 522676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9885447133399 and 9885447133408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154460111429 + ... + 154460111492.

Almost surely, 2^{9885447133472} is an apocalyptic number.

It is an amenable number.

9885447133472 is a deficient number, since it is larger than the sum of its proper divisors (9576526910614).

9885447133472 is a wasteful number, since it uses less digits than its factorization.

9885447133472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308920222931 (or 308920222923 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 65.

The spelling of 9885447133472 in words is "nine trillion, eight hundred eighty-five billion, four hundred forty-seven million, one hundred thirty-three thousand, four hundred seventy-two".