487142378 has 8 divisors (see below), whose sum is σ = 773696772. Its totient is φ = 229243456.

The previous prime is 487142371. The next prime is 487142393. The reversal of 487142378 is 873241784.

It can be written as a sum of positive squares in 2 ways, for example, as 468419449 + 18722929 = 21643^2 + 4327^2 .

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

It is not an unprimeable number, because it can be changed into a prime (487142371) 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, 7163825 + ... + 7163892.

Almost surely, 2^487142378 is an apocalyptic number.

487142378 is a deficient number, since it is larger than the sum of its proper divisors (286554394).

487142378 is a wasteful number, since it uses less digits than its factorization.

487142378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327736.

The product of its digits is 301056, while the sum is 44.

The square root of 487142378 is about 22071.3021364848. The cubic root of 487142378 is about 786.8379603606.

The spelling of 487142378 in words is "four hundred eighty-seven million, one hundred forty-two thousand, three hundred seventy-eight".