479136985 has 16 divisors (see below), whose sum is σ = 595702800. Its totient is φ = 369524736.

The previous prime is 479136979. The next prime is 479136991. The reversal of 479136985 is 589631974.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (479136979) and next prime (479136991).

It can be written as a sum of positive squares in 8 ways, for example, as 4376464 + 474760521 = 2092^2 + 21789^2 .

It is a cyclic number.

It is not a de Polignac number, because 479136985 - 2⁵ = 479136953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109357 + ... + 113653.

It is an arithmetic number, because the mean of its divisors is an integer number (37231425).

Almost surely, 2^479136985 is an apocalyptic number.

It is an amenable number.

479136985 is a deficient number, since it is larger than the sum of its proper divisors (116565815).

479136985 is a wasteful number, since it uses less digits than its factorization.

479136985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100.

The product of its digits is 1632960, while the sum is 52.

The square root of 479136985 is about 21889.1979067302. The cubic root of 479136985 is about 782.5039981831.

The spelling of 479136985 in words is "four hundred seventy-nine million, one hundred thirty-six thousand, nine hundred eighty-five".