487388823 has 4 divisors (see below), whose sum is σ = 649851768. Its totient is φ = 324925880.

The previous prime is 487388821. The next prime is 487388833. The reversal of 487388823 is 328883784.

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

It is a cyclic number.

It is not a de Polignac number, because 487388823 - 2¹ = 487388821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487388821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81231468 + ... + 81231473.

It is an arithmetic number, because the mean of its divisors is an integer number (162462942).

Almost surely, 2^487388823 is an apocalyptic number.

487388823 is a deficient number, since it is larger than the sum of its proper divisors (162462945).

487388823 is a wasteful number, since it uses less digits than its factorization.

487388823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162462944.

The product of its digits is 2064384, while the sum is 51.

The square root of 487388823 is about 22076.8843589851. The cubic root of 487388823 is about 786.9706249224.

The spelling of 487388823 in words is "four hundred eighty-seven million, three hundred eighty-eight thousand, eight hundred twenty-three".