487686863 has 2 divisors, whose sum is σ = 487686864. Its totient is φ = 487686862.

The previous prime is 487686839. The next prime is 487686919. The reversal of 487686863 is 368686784.

It is an a-pointer prime, because the next prime (487686919) can be obtained adding 487686863 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487686863 - 2¹⁴ = 487670479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487686799 and 487686808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487686833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243843431 + 243843432.

It is an arithmetic number, because the mean of its divisors is an integer number (243843432).

Almost surely, 2^487686863 is an apocalyptic number.

487686863 is a deficient number, since it is larger than the sum of its proper divisors (1).

487686863 is an equidigital number, since it uses as much as digits as its factorization.

487686863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 56.

The square root of 487686863 is about 22083.6333740623. The cubic root of 487686863 is about 787.1310040155.

The spelling of 487686863 in words is "four hundred eighty-seven million, six hundred eighty-six thousand, eight hundred sixty-three".