5447985372 has 48 divisors (see below), whose sum is σ = 14468916000. Its totient is φ = 1771701120.

The previous prime is 5447985343. The next prime is 5447985373. The reversal of 5447985372 is 2735897445.

It is a happy number.

5447985372 is a `hidden beast` number, since 54 + 479 + 8 + 53 + 72 = 666.

It is a super-2 number, since 2×5447985372² = 59361089227051956768, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5447985373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610747 + ... + 619602.

It is an arithmetic number, because the mean of its divisors is an integer number (301435750).

Almost surely, 2^5447985372 is an apocalyptic number.

It is an amenable number.

5447985372 is an abundant number, since it is smaller than the sum of its proper divisors (9020930628).

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

5447985372 is a wasteful number, since it uses less digits than its factorization.

5447985372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230403 (or 1230395 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The square root of 5447985372 is about 73810.4692574163. The cubic root of 5447985372 is about 1759.5919952132.

The spelling of 5447985372 in words is "five billion, four hundred forty-seven million, nine hundred eighty-five thousand, three hundred seventy-two".