5571379447 has 8 divisors (see below), whose sum is σ = 5823020160. Its totient is φ = 5320522680.

The previous prime is 5571379433. The next prime is 5571379477. The reversal of 5571379447 is 7449731755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5571379447 - 2¹⁵ = 5571346679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5571379394 and 5571379403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5571379477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181429 + ... + 209902.

It is an arithmetic number, because the mean of its divisors is an integer number (727877520).

Almost surely, 2^5571379447 is an apocalyptic number.

5571379447 is a deficient number, since it is larger than the sum of its proper divisors (251640713).

5571379447 is a wasteful number, since it uses less digits than its factorization.

5571379447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391973.

The product of its digits is 3704400, while the sum is 52.

The square root of 5571379447 is about 74641.6736615679. The cubic root of 5571379447 is about 1772.7775607002. Note that the first 3 decimals are identical.

The spelling of 5571379447 in words is "five billion, five hundred seventy-one million, three hundred seventy-nine thousand, four hundred forty-seven".