487844978 has 16 divisors (see below), whose sum is σ = 756506520. Its totient is φ = 235785600.

The previous prime is 487844953. The next prime is 487845011. The reversal of 487844978 is 879448784.

It can be written as a sum of positive squares in 4 ways, for example, as 428200249 + 59644729 = 20693^2 + 7723^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18353 + ... + 36228.

Almost surely, 2^487844978 is an apocalyptic number.

487844978 is a deficient number, since it is larger than the sum of its proper divisors (268661542).

487844978 is a wasteful number, since it uses less digits than its factorization.

487844978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54733.

The product of its digits is 14450688, while the sum is 59.

The square root of 487844978 is about 22087.2129975694. The cubic root of 487844978 is about 787.2160611702.

The spelling of 487844978 in words is "four hundred eighty-seven million, eight hundred forty-four thousand, nine hundred seventy-eight".