478371665 has 8 divisors (see below), whose sum is σ = 574676160. Its totient is φ = 382277232.

The previous prime is 478371643. The next prime is 478371671. The reversal of 478371665 is 566173874.

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

It is a cyclic number.

It is not a de Polignac number, because 478371665 - 2¹² = 478367569 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47459 + ... + 56648.

It is an arithmetic number, because the mean of its divisors is an integer number (71834520).

Almost surely, 2^478371665 is an apocalyptic number.

It is an amenable number.

478371665 is a deficient number, since it is larger than the sum of its proper divisors (96304495).

478371665 is a wasteful number, since it uses less digits than its factorization.

478371665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105031.

The product of its digits is 846720, while the sum is 47.

The square root of 478371665 is about 21871.7092381917. The cubic root of 478371665 is about 782.0871479462.

The spelling of 478371665 in words is "four hundred seventy-eight million, three hundred seventy-one thousand, six hundred sixty-five".