487077617 has 4 divisors (see below), whose sum is σ = 524545140. Its totient is φ = 449610096.

The previous prime is 487077599. The next prime is 487077623. The reversal of 487077617 is 716770784.

It is a happy number.

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 301682161 + 185395456 = 17369^2 + 13616^2 .

It is not a de Polignac number, because 487077617 - 2¹⁶ = 487012081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487077637) 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, 18733742 + ... + 18733767.

It is an arithmetic number, because the mean of its divisors is an integer number (131136285).

Almost surely, 2^487077617 is an apocalyptic number.

It is an amenable number.

487077617 is a deficient number, since it is larger than the sum of its proper divisors (37467523).

487077617 is a wasteful number, since it uses less digits than its factorization.

487077617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37467522.

The product of its (nonzero) digits is 460992, while the sum is 47.

The square root of 487077617 is about 22069.8350016487. The cubic root of 487077617 is about 786.8030912453.

The spelling of 487077617 in words is "four hundred eighty-seven million, seventy-seven thousand, six hundred seventeen".