487048978 has 8 divisors (see below), whose sum is σ = 786771468. Its totient is φ = 224791824.

The previous prime is 487048973. The next prime is 487048999. The reversal of 487048978 is 879840784.

It can be written as a sum of positive squares in 2 ways, for example, as 414407449 + 72641529 = 20357^2 + 8523^2 .

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 (487048973) 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, 9366301 + ... + 9366352.

Almost surely, 2^487048978 is an apocalyptic number.

487048978 is a deficient number, since it is larger than the sum of its proper divisors (299722490).

487048978 is a wasteful number, since it uses less digits than its factorization.

487048978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732668.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 487048978 is about 22069.1861653302. The cubic root of 487048978 is about 786.7876702291.

The spelling of 487048978 in words is "four hundred eighty-seven million, forty-eight thousand, nine hundred seventy-eight".