471477139 has 4 divisors (see below), whose sum is σ = 538831024. Its totient is φ = 404123256.

The previous prime is 471477121. The next prime is 471477173. The reversal of 471477139 is 931774174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 471477139 - 2⁹ = 471476627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471477095 and 471477104.

It is not an unprimeable number, because it can be changed into a prime (471474139) 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, 33676932 + ... + 33676945.

It is an arithmetic number, because the mean of its divisors is an integer number (134707756).

Almost surely, 2^471477139 is an apocalyptic number.

471477139 is a deficient number, since it is larger than the sum of its proper divisors (67353885).

471477139 is an equidigital number, since it uses as much as digits as its factorization.

471477139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67353884.

The product of its digits is 148176, while the sum is 43.

The square root of 471477139 is about 21713.5243339261. The cubic root of 471477139 is about 778.3116775146.

The spelling of 471477139 in words is "four hundred seventy-one million, four hundred seventy-seven thousand, one hundred thirty-nine".