487061865 has 24 divisors (see below), whose sum is σ = 888675840. Its totient is φ = 246093984.

The previous prime is 487061857. The next prime is 487061867. The reversal of 487061865 is 568160784.

It is a happy number.

It is not a de Polignac number, because 487061865 - 2³ = 487061857 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 487061865.

It is not an unprimeable number, because it can be changed into a prime (487061867) 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 23 ways as a sum of consecutive naturals, for example, 283977 + ... + 285686.

It is an arithmetic number, because the mean of its divisors is an integer number (37028160).

Almost surely, 2^487061865 is an apocalyptic number.

487061865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487061865 is a deficient number, since it is larger than the sum of its proper divisors (401613975).

487061865 is a wasteful number, since it uses less digits than its factorization.

487061865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569693 (or 569690 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 487061865 is about 22069.4781315735. The cubic root of 487061865 is about 786.7946094650.

The spelling of 487061865 in words is "four hundred eighty-seven million, sixty-one thousand, eight hundred sixty-five".