478542207 has 32 divisors (see below), whose sum is σ = 760838400. Its totient is φ = 263704320.

The previous prime is 478542193. The next prime is 478542241. The reversal of 478542207 is 702245874.

It is not a de Polignac number, because 478542207 - 2⁶ = 478542143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478542277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20419 + ... + 37067.

It is an arithmetic number, because the mean of its divisors is an integer number (23776200).

Almost surely, 2^478542207 is an apocalyptic number.

478542207 is a deficient number, since it is larger than the sum of its proper divisors (282296193).

478542207 is a wasteful number, since it uses less digits than its factorization.

478542207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16743.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 478542207 is about 21875.6075801336. The cubic root of 478542207 is about 782.1800762899.

The spelling of 478542207 in words is "four hundred seventy-eight million, five hundred forty-two thousand, two hundred seven".