478072269 has 24 divisors (see below), whose sum is σ = 702857792. Its totient is φ = 313061760.

The previous prime is 478072267. The next prime is 478072271. The reversal of 478072269 is 962270874.

It is an interprime number because it is at equal distance from previous prime (478072267) and next prime (478072271).

It is not a de Polignac number, because 478072269 - 2¹ = 478072267 is a prime.

It is a super-2 number, since 2×478072269² = 457106188773616722, which contains 22 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 (478072261) 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 23 ways as a sum of consecutive naturals, for example, 260184 + ... + 262014.

Almost surely, 2^478072269 is an apocalyptic number.

It is an amenable number.

478072269 is a deficient number, since it is larger than the sum of its proper divisors (224785523).

478072269 is a wasteful number, since it uses less digits than its factorization.

478072269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 478072269 is about 21864.8638001704. The cubic root of 478072269 is about 781.9239536161.

The spelling of 478072269 in words is "four hundred seventy-eight million, seventy-two thousand, two hundred sixty-nine".