487307919 has 16 divisors (see below), whose sum is σ = 760677120. Its totient is φ = 271669440.

The previous prime is 487307911. The next prime is 487307939. The reversal of 487307919 is 919703784.

It is not a de Polignac number, because 487307919 - 2³ = 487307911 is a prime.

It is a super-2 number, since 2×487307919² = 474938015840221122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487307911) 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 15 ways as a sum of consecutive naturals, for example, 282129 + ... + 283850.

It is an arithmetic number, because the mean of its divisors is an integer number (47542320).

Almost surely, 2^487307919 is an apocalyptic number.

487307919 is a deficient number, since it is larger than the sum of its proper divisors (273369201).

487307919 is a wasteful number, since it uses less digits than its factorization.

487307919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566030.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 487307919 is about 22075.0519591687. The cubic root of 487307919 is about 786.9270781745.

The spelling of 487307919 in words is "four hundred eighty-seven million, three hundred seven thousand, nine hundred nineteen".