487138716 has 36 divisors (see below), whose sum is σ = 1232073024. Its totient is φ = 162288000.

The previous prime is 487138661. The next prime is 487138733. The reversal of 487138716 is 617831784.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×487138716² = 474608257252257312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98421 + ... + 103251.

Almost surely, 2^487138716 is an apocalyptic number.

It is an amenable number.

487138716 is an abundant number, since it is smaller than the sum of its proper divisors (744934308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487138716 is a wasteful number, since it uses less digits than its factorization.

487138716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642 (or 7637 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 487138716 is about 22071.2191779249. The cubic root of 487138716 is about 786.8359887209.

The spelling of 487138716 in words is "four hundred eighty-seven million, one hundred thirty-eight thousand, seven hundred sixteen".