485205557 has 8 divisors (see below), whose sum is σ = 494249280. Its totient is φ = 476189280.

The previous prime is 485205547. The next prime is 485205563. The reversal of 485205557 is 755502584.

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 485205557 - 2¹⁶ = 485140021 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 (485205547) 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, 30713 + ... + 43745.

It is an arithmetic number, because the mean of its divisors is an integer number (61781160).

Almost surely, 2^485205557 is an apocalyptic number.

It is an amenable number.

485205557 is a deficient number, since it is larger than the sum of its proper divisors (9043723).

485205557 is a wasteful number, since it uses less digits than its factorization.

485205557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13723.

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 485205557 is about 22027.3819824327. The cubic root of 485205557 is about 785.7937834572.

The spelling of 485205557 in words is "four hundred eighty-five million, two hundred five thousand, five hundred fifty-seven".