478334959 has 4 divisors (see below), whose sum is σ = 482101504. Its totient is φ = 474568416.

The previous prime is 478334953. The next prime is 478334981. The reversal of 478334959 is 959433874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478334959 is a prime.

It is a super-3 number, since 3×478334959³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478334953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883082 + ... + 1883335.

It is an arithmetic number, because the mean of its divisors is an integer number (120525376).

Almost surely, 2^478334959 is an apocalyptic number.

478334959 is a deficient number, since it is larger than the sum of its proper divisors (3766545).

478334959 is a wasteful number, since it uses less digits than its factorization.

478334959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766544.

The product of its digits is 3265920, while the sum is 52.

The square root of 478334959 is about 21870.8701015757. The cubic root of 478334959 is about 782.0671439568.

The spelling of 478334959 in words is "four hundred seventy-eight million, three hundred thirty-four thousand, nine hundred fifty-nine".