487851973 has 8 divisors (see below), whose sum is σ = 557680640. Its totient is φ = 418057200.

The previous prime is 487851967. The next prime is 487851977. The reversal of 487851973 is 379158784.

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 487851973 - 2⁹ = 487851461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487851973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487851977) 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 7 ways as a sum of consecutive naturals, for example, 44323 + ... + 54223.

It is an arithmetic number, because the mean of its divisors is an integer number (69710080).

Almost surely, 2^487851973 is an apocalyptic number.

It is an amenable number.

487851973 is a deficient number, since it is larger than the sum of its proper divisors (69828667).

487851973 is an equidigital number, since it uses as much as digits as its factorization.

487851973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947.

The product of its digits is 1693440, while the sum is 52.

The square root of 487851973 is about 22087.3713465410. The cubic root of 487851973 is about 787.2198236700.

The spelling of 487851973 in words is "four hundred eighty-seven million, eight hundred fifty-one thousand, nine hundred seventy-three".