487949785 has 16 divisors (see below), whose sum is σ = 591244416. Its totient is φ = 386575488.

The previous prime is 487949771. The next prime is 487949837. The reversal of 487949785 is 587949784.

It is a cyclic number.

It is not a de Polignac number, because 487949785 - 2¹⁷ = 487818713 is a prime.

It is a Duffinian number.

Its product of digits (20321280) is a multiple of the sum of its prime divisors (2352).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260422 + ... + 262288.

It is an arithmetic number, because the mean of its divisors is an integer number (36952776).

Almost surely, 2^487949785 is an apocalyptic number.

It is an amenable number.

487949785 is a deficient number, since it is larger than the sum of its proper divisors (103294631).

487949785 is a wasteful number, since it uses less digits than its factorization.

487949785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352.

The product of its digits is 20321280, while the sum is 61.

The square root of 487949785 is about 22089.5854420132. The cubic root of 487949785 is about 787.2724314310.

Subtracting 487949785 from its reverse (587949784), we obtain a palindrome (99999999).

The spelling of 487949785 in words is "four hundred eighty-seven million, nine hundred forty-nine thousand, seven hundred eighty-five".