478101329 has 4 divisors (see below), whose sum is σ = 479383476. Its totient is φ = 476819184.

The previous prime is 478101311. The next prime is 478101341. The reversal of 478101329 is 923101874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923101874 = 2 ⋅461550937.

It can be written as a sum of positive squares in 2 ways, for example, as 263185729 + 214915600 = 16223^2 + 14660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478101329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478101929) 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 3 ways as a sum of consecutive naturals, for example, 640514 + ... + 641259.

It is an arithmetic number, because the mean of its divisors is an integer number (119845869).

Almost surely, 2^478101329 is an apocalyptic number.

It is an amenable number.

478101329 is a deficient number, since it is larger than the sum of its proper divisors (1282147).

478101329 is a wasteful number, since it uses less digits than its factorization.

478101329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282146.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 478101329 is about 21865.5283265692. The cubic root of 478101329 is about 781.9397965832.

The spelling of 478101329 in words is "four hundred seventy-eight million, one hundred one thousand, three hundred twenty-nine".