478979565 has 8 divisors (see below), whose sum is σ = 766367328. Its totient is φ = 255455760.

The previous prime is 478979563. The next prime is 478979591. The reversal of 478979565 is 565979874.

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

It is not a de Polignac number, because 478979565 - 2¹ = 478979563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478979499 and 478979508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478979563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15965971 + ... + 15966000.

It is an arithmetic number, because the mean of its divisors is an integer number (95795916).

Almost surely, 2^478979565 is an apocalyptic number.

It is an amenable number.

478979565 is a deficient number, since it is larger than the sum of its proper divisors (287387763).

478979565 is a wasteful number, since it uses less digits than its factorization.

478979565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31931979.

The product of its digits is 19051200, while the sum is 60.

The square root of 478979565 is about 21885.6017737690. The cubic root of 478979565 is about 782.4182918151.

The spelling of 478979565 in words is "four hundred seventy-eight million, nine hundred seventy-nine thousand, five hundred sixty-five".