487517089 has 4 divisors (see below), whose sum is σ = 488584324. Its totient is φ = 486449856.

The previous prime is 487517087. The next prime is 487517111. The reversal of 487517089 is 980715784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 433347489 + 54169600 = 20817^2 + 7360^2 .

It is a cyclic number.

It is not a de Polignac number, because 487517089 - 2¹ = 487517087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487517083) 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, 532932 + ... + 533845.

It is an arithmetic number, because the mean of its divisors is an integer number (122146081).

Almost surely, 2^487517089 is an apocalyptic number.

It is an amenable number.

487517089 is a deficient number, since it is larger than the sum of its proper divisors (1067235).

487517089 is a wasteful number, since it uses less digits than its factorization.

487517089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067234.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 487517089 is about 22079.7891520730. The cubic root of 487517089 is about 787.0396544910.

The spelling of 487517089 in words is "four hundred eighty-seven million, five hundred seventeen thousand, eighty-nine".