478451007 has 12 divisors (see below), whose sum is σ = 691722720. Its totient is φ = 318678048.

The previous prime is 478451003. The next prime is 478451041. The reversal of 478451007 is 700154874.

It is not a de Polignac number, because 478451007 - 2² = 478451003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478451003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13383 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (57643560).

Almost surely, 2^478451007 is an apocalyptic number.

478451007 is a deficient number, since it is larger than the sum of its proper divisors (213271713).

478451007 is a wasteful number, since it uses less digits than its factorization.

478451007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48222 (or 48219 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 478451007 is about 21873.5229672771. The cubic root of 478451007 is about 782.1303841527.

The spelling of 478451007 in words is "four hundred seventy-eight million, four hundred fifty-one thousand, seven".