487820783 has 4 divisors (see below), whose sum is σ = 487889808. Its totient is φ = 487751760.

The previous prime is 487820771. The next prime is 487820789. The reversal of 487820783 is 387028784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487820783 - 2⁶ = 487820719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487820789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22523 + ... + 38508.

It is an arithmetic number, because the mean of its divisors is an integer number (121972452).

Almost surely, 2^487820783 is an apocalyptic number.

487820783 is a deficient number, since it is larger than the sum of its proper divisors (69025).

487820783 is an equidigital number, since it uses as much as digits as its factorization.

487820783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69024.

The product of its (nonzero) digits is 602112, while the sum is 47.

The square root of 487820783 is about 22086.6652756816. The cubic root of 487820783 is about 787.2030467849.

The spelling of 487820783 in words is "four hundred eighty-seven million, eight hundred twenty thousand, seven hundred eighty-three".