487723845890 has 16 divisors (see below), whose sum is σ = 878110589880. Its totient is φ = 195043390080.

The previous prime is 487723845859. The next prime is 487723845943. The reversal of 487723845890 is 98548327784.

It can be written as a sum of positive squares in 4 ways, for example, as 447971860249 + 39751985641 = 669307^2 + 199379^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5724131 + ... + 5808710.

Almost surely, 2^487723845890 is an apocalyptic number.

487723845890 is a deficient number, since it is larger than the sum of its proper divisors (390386743990).

487723845890 is a wasteful number, since it uses less digits than its factorization.

487723845890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11537077.

The product of its (nonzero) digits is 108380160, while the sum is 65.

The spelling of 487723845890 in words is "four hundred eighty-seven billion, seven hundred twenty-three million, eight hundred forty-five thousand, eight hundred ninety".