487689959 has 4 divisors (see below), whose sum is σ = 487849440. Its totient is φ = 487530480.

The previous prime is 487689949. The next prime is 487689973. The reversal of 487689959 is 959986784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487689959 is a prime.

It is a super-2 number, since 2×487689959² = 475682992218843362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487689895 and 487689904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487689919) 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, 75062 + ... + 81299.

It is an arithmetic number, because the mean of its divisors is an integer number (121962360).

Almost surely, 2^487689959 is an apocalyptic number.

487689959 is a deficient number, since it is larger than the sum of its proper divisors (159481).

487689959 is a wasteful number, since it uses less digits than its factorization.

487689959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159480.

The product of its digits is 39191040, while the sum is 65.

The square root of 487689959 is about 22083.7034711119. The cubic root of 487689959 is about 787.1326696693.

The spelling of 487689959 in words is "four hundred eighty-seven million, six hundred eighty-nine thousand, nine hundred fifty-nine".