478013511 has 4 divisors (see below), whose sum is σ = 637351352. Its totient is φ = 318675672.

The previous prime is 478013509. The next prime is 478013513. The reversal of 478013511 is 115310874.

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

It is an interprime number because it is at equal distance from previous prime (478013509) and next prime (478013513).

It is not a de Polignac number, because 478013511 - 2¹ = 478013509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478013513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79668916 + ... + 79668921.

It is an arithmetic number, because the mean of its divisors is an integer number (159337838).

Almost surely, 2^478013511 is an apocalyptic number.

478013511 is a deficient number, since it is larger than the sum of its proper divisors (159337841).

478013511 is a wasteful number, since it uses less digits than its factorization.

478013511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159337840.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 478013511 is about 21863.5200962700. The cubic root of 478013511 is about 781.8919178947.

The spelling of 478013511 in words is "four hundred seventy-eight million, thirteen thousand, five hundred eleven".