478951907 has 8 divisors (see below), whose sum is σ = 566248800. Its totient is φ = 396373824.

The previous prime is 478951903. The next prime is 478951909. The reversal of 478951907 is 709159874.

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

It is not a de Polignac number, because 478951907 - 2² = 478951903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478951901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179482 + ... + 1179887.

It is an arithmetic number, because the mean of its divisors is an integer number (70781100).

Almost surely, 2^478951907 is an apocalyptic number.

478951907 is a deficient number, since it is larger than the sum of its proper divisors (87296893).

478951907 is a wasteful number, since it uses less digits than its factorization.

478951907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359405.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 478951907 is about 21884.9698880305. The cubic root of 478951907 is about 782.4032316446.

The spelling of 478951907 in words is "four hundred seventy-eight million, nine hundred fifty-one thousand, nine hundred seven".