685010487 has 16 divisors (see below), whose sum is σ = 1051339520. Its totient is φ = 388616832.

The previous prime is 685010471. The next prime is 685010497. The reversal of 685010487 is 784010586.

It is not a de Polignac number, because 685010487 - 2⁴ = 685010471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685010497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114418 + ... + 120255.

It is an arithmetic number, because the mean of its divisors is an integer number (65708720).

Almost surely, 2^685010487 is an apocalyptic number.

685010487 is a deficient number, since it is larger than the sum of its proper divisors (366329033).

685010487 is a wasteful number, since it uses less digits than its factorization.

685010487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234822.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 685010487 is about 26172.7049996748. The cubic root of 685010487 is about 881.5204804461.

Subtracting 685010487 from its reverse (784010586), we obtain a palindrome (99000099).

The spelling of 685010487 in words is "six hundred eighty-five million, ten thousand, four hundred eighty-seven".