478872892 has 12 divisors (see below), whose sum is σ = 841688680. Its totient is φ = 238390416.

The previous prime is 478872887. The next prime is 478872893. The reversal of 478872892 is 298278874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478872893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260478 + ... + 262309.

Almost surely, 2^478872892 is an apocalyptic number.

It is an amenable number.

478872892 is a deficient number, since it is larger than the sum of its proper divisors (362815788).

478872892 is a wasteful number, since it uses less digits than its factorization.

478872892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523020 (or 523018 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 478872892 is about 21883.1645791919. The cubic root of 478872892 is about 782.3602036701.

The spelling of 478872892 in words is "four hundred seventy-eight million, eight hundred seventy-two thousand, eight hundred ninety-two".