5447820843 has 12 divisors (see below), whose sum is σ = 7909849480. Its totient is φ = 3613061376.

The previous prime is 5447820827. The next prime is 5447820863. The reversal of 5447820843 is 3480287445.

It is a happy number.

5447820843 is a `hidden beast` number, since 544 + 7 + 8 + 20 + 84 + 3 = 666.

It is not a de Polignac number, because 5447820843 - 2⁴ = 5447820827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5447820823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1566433 + ... + 1569906.

Almost surely, 2^5447820843 is an apocalyptic number.

5447820843 is a deficient number, since it is larger than the sum of its proper divisors (2462028637).

5447820843 is a wasteful number, since it uses less digits than its factorization.

5447820843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136538 (or 3136535 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The square root of 5447820843 is about 73809.3547119876. The cubic root of 5447820843 is about 1759.5742818259.

The spelling of 5447820843 in words is "five billion, four hundred forty-seven million, eight hundred twenty thousand, eight hundred forty-three".