487117485 has 24 divisors (see below), whose sum is σ = 846629784. Its totient is φ = 259090560.

The previous prime is 487117471. The next prime is 487117523. The reversal of 487117485 is 584711784.

It can be written as a sum of positive squares in 4 ways, for example, as 188622756 + 298494729 = 13734^2 + 17277^2 .

It is not a de Polignac number, because 487117485 - 2⁵ = 487117453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 487117485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2275 + ... + 31295.

It is an arithmetic number, because the mean of its divisors is an integer number (35276241).

Almost surely, 2^487117485 is an apocalyptic number.

487117485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487117485 is a deficient number, since it is larger than the sum of its proper divisors (359512299).

487117485 is a wasteful number, since it uses less digits than its factorization.

487117485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29405 (or 29402 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 487117485 is about 22070.7382069563. The cubic root of 487117485 is about 786.8245576459.

The spelling of 487117485 in words is "four hundred eighty-seven million, one hundred seventeen thousand, four hundred eighty-five".