487841805 has 32 divisors (see below), whose sum is σ = 946120320. Its totient is φ = 236528640.

The previous prime is 487841801. The next prime is 487841813. The reversal of 487841805 is 508148784.

It is not a de Polignac number, because 487841805 - 2² = 487841801 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487841801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162772 + ... + 165741.

It is an arithmetic number, because the mean of its divisors is an integer number (29566260).

Almost surely, 2^487841805 is an apocalyptic number.

487841805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487841805 is a deficient number, since it is larger than the sum of its proper divisors (458278515).

487841805 is a wasteful number, since it uses less digits than its factorization.

487841805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328538 (or 328532 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 487841805 is about 22087.1411685623. The cubic root of 487841805 is about 787.2143544518.

The spelling of 487841805 in words is "four hundred eighty-seven million, eight hundred forty-one thousand, eight hundred five".