9478615471 has 4 divisors (see below), whose sum is σ = 10207739752. Its totient is φ = 8749491192.

The previous prime is 9478615451. The next prime is 9478615477. The reversal of 9478615471 is 1745168749.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1745168749 = 10259 ⋅170111.

It is not a de Polignac number, because 9478615471 - 2⁷ = 9478615343 is a prime.

It is a super-3 number, since 3×9478615471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9478615477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364562121 + ... + 364562146.

It is an arithmetic number, because the mean of its divisors is an integer number (2551934938).

Almost surely, 2^9478615471 is an apocalyptic number.

9478615471 is a deficient number, since it is larger than the sum of its proper divisors (729124281).

9478615471 is a wasteful number, since it uses less digits than its factorization.

9478615471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729124280.

The product of its digits is 1693440, while the sum is 52.

The square root of 9478615471 is about 97358.1813254541. The cubic root of 9478615471 is about 2116.3214562765.

The spelling of 9478615471 in words is "nine billion, four hundred seventy-eight million, six hundred fifteen thousand, four hundred seventy-one".