479820502505 has 8 divisors (see below), whose sum is σ = 576353004552. Its totient is φ = 383477467648.

The previous prime is 479820502457. The next prime is 479820502549. The reversal of 479820502505 is 505205028974.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35663567104 + 444156935401 = 188848^2 + 666451^2 .

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 479820502505 - 2¹⁴ = 479820486121 is a prime.

It is a super-2 number, since 2×479820502505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479820502505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47361224 + ... + 47371353.

It is an arithmetic number, because the mean of its divisors is an integer number (72044125569).

Almost surely, 2^479820502505 is an apocalyptic number.

It is an amenable number.

479820502505 is a deficient number, since it is larger than the sum of its proper divisors (96532502047).

479820502505 is a wasteful number, since it uses less digits than its factorization.

479820502505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94733595.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 479820502505 in words is "four hundred seventy-nine billion, eight hundred twenty million, five hundred two thousand, five hundred five".