487668777 has 8 divisors (see below), whose sum is σ = 650327040. Its totient is φ = 325061520.

The previous prime is 487668773. The next prime is 487668787. The reversal of 487668777 is 777866784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 487668777 - 2² = 487668773 is a prime.

It is a super-3 number, since 3×487668777³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 487668777.

It is not an unprimeable number, because it can be changed into a prime (487668773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31599 + ... + 44427.

It is an arithmetic number, because the mean of its divisors is an integer number (81290880).

Almost surely, 2^487668777 is an apocalyptic number.

It is an amenable number.

487668777 is a deficient number, since it is larger than the sum of its proper divisors (162658263).

487668777 is a wasteful number, since it uses less digits than its factorization.

487668777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503.

The product of its digits is 22127616, while the sum is 60.

The square root of 487668777 is about 22083.2238814898. The cubic root of 487668777 is about 787.1212735727.

The spelling of 487668777 in words is "four hundred eighty-seven million, six hundred sixty-eight thousand, seven hundred seventy-seven".