478026565 has 16 divisors (see below), whose sum is σ = 584385840. Its totient is φ = 375316480.

The previous prime is 478026547. The next prime is 478026581. The reversal of 478026565 is 565620874.

It can be written as a sum of positive squares in 8 ways, for example, as 33744481 + 444282084 = 5809^2 + 21078^2 .

It is not a de Polignac number, because 478026565 - 2⁵ = 478026533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57045 + ... + 64885.

It is an arithmetic number, because the mean of its divisors is an integer number (36524115).

Almost surely, 2^478026565 is an apocalyptic number.

It is an amenable number.

478026565 is a deficient number, since it is larger than the sum of its proper divisors (106359275).

478026565 is a wasteful number, since it uses less digits than its factorization.

478026565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 478026565 is about 21863.8186280439. The cubic root of 478026565 is about 781.8990353533.

The spelling of 478026565 in words is "four hundred seventy-eight million, twenty-six thousand, five hundred sixty-five".