478289051 has 4 divisors (see below), whose sum is σ = 478507392. Its totient is φ = 478070712.

The previous prime is 478289041. The next prime is 478289059. The reversal of 478289051 is 150982874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478289051 - 2¹⁸ = 478026907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478288993 and 478289011.

It is not an unprimeable number, because it can be changed into a prime (478289059) 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, 105851 + ... + 110276.

It is an arithmetic number, because the mean of its divisors is an integer number (119626848).

Almost surely, 2^478289051 is an apocalyptic number.

478289051 is a deficient number, since it is larger than the sum of its proper divisors (218341).

478289051 is a wasteful number, since it uses less digits than its factorization.

478289051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218340.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 478289051 is about 21869.8205525331. The cubic root of 478289051 is about 782.0421236328.

The spelling of 478289051 in words is "four hundred seventy-eight million, two hundred eighty-nine thousand, fifty-one".