5471778471 has 8 divisors (see below), whose sum is σ = 7298352384. Its totient is φ = 3646528440.

The previous prime is 5471778469. The next prime is 5471778503. The reversal of 5471778471 is 1748771745.

It is a happy number.

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

It is not a de Polignac number, because 5471778471 - 2¹ = 5471778469 is a prime.

It is a super-3 number, since 3×5471778471³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5471708471) 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, 321285 + ... + 337886.

It is an arithmetic number, because the mean of its divisors is an integer number (912294048).

Almost surely, 2^5471778471 is an apocalyptic number.

5471778471 is a deficient number, since it is larger than the sum of its proper divisors (1826573913).

5471778471 is a wasteful number, since it uses less digits than its factorization.

5471778471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661941.

The product of its digits is 1536640, while the sum is 51.

The square root of 5471778471 is about 73971.4706559225. The cubic root of 5471778471 is about 1762.1498426563.

The spelling of 5471778471 in words is "five billion, four hundred seventy-one million, seven hundred seventy-eight thousand, four hundred seventy-one".