479909347 has 4 divisors (see below), whose sum is σ = 480231000. Its totient is φ = 479587696.

The previous prime is 479909263. The next prime is 479909389. The reversal of 479909347 is 743909974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743909974 = 2 ⋅371954987.

It is a cyclic number.

It is not a de Polignac number, because 479909347 - 2¹¹ = 479907299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479909294 and 479909303.

It is not an unprimeable number, because it can be changed into a prime (479939347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158578 + ... + 161575.

It is an arithmetic number, because the mean of its divisors is an integer number (120057750).

Almost surely, 2^479909347 is an apocalyptic number.

479909347 is a deficient number, since it is larger than the sum of its proper divisors (321653).

479909347 is a wasteful number, since it uses less digits than its factorization.

479909347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321652.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 479909347 is about 21906.8333403073. The cubic root of 479909347 is about 782.9242342282.

The spelling of 479909347 in words is "four hundred seventy-nine million, nine hundred nine thousand, three hundred forty-seven".