265478479 has 8 divisors (see below), whose sum is σ = 304016000. Its totient is φ = 227093976.

The previous prime is 265478459. The next prime is 265478497. The reversal of 265478479 is 974874562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265478479 - 2¹³ = 265470287 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 (265478429) 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 7 ways as a sum of consecutive naturals, for example, 34509 + ... + 41494.

It is an arithmetic number, because the mean of its divisors is an integer number (38002000).

Almost surely, 2^265478479 is an apocalyptic number.

265478479 is a deficient number, since it is larger than the sum of its proper divisors (38537521).

265478479 is an equidigital number, since it uses as much as digits as its factorization.

265478479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76509.

The product of its digits is 3386880, while the sum is 52.

The square root of 265478479 is about 16293.5103338722. The cubic root of 265478479 is about 642.7021808666.

The spelling of 265478479 in words is "two hundred sixty-five million, four hundred seventy-eight thousand, four hundred seventy-nine".