487856658829 has 2 divisors, whose sum is σ = 487856658830. Its totient is φ = 487856658828.

The previous prime is 487856658781. The next prime is 487856658841. The reversal of 487856658829 is 928856658784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332585196804 + 155271462025 = 576702^2 + 394045^2 .

It is a cyclic number.

It is not a de Polignac number, because 487856658829 - 2²⁹ = 487319787917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487856658529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243928329414 + 243928329415.

It is an arithmetic number, because the mean of its divisors is an integer number (243928329415).

Almost surely, 2^487856658829 is an apocalyptic number.

It is an amenable number.

487856658829 is a deficient number, since it is larger than the sum of its proper divisors (1).

487856658829 is an equidigital number, since it uses as much as digits as its factorization.

487856658829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1857945600, while the sum is 76.

The spelling of 487856658829 in words is "four hundred eighty-seven billion, eight hundred fifty-six million, six hundred fifty-eight thousand, eight hundred twenty-nine".