488469866 has 4 divisors (see below), whose sum is σ = 732704802. Its totient is φ = 244234932.

The previous prime is 488469851. The next prime is 488469901. The reversal of 488469866 is 668964884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 487305625 + 1164241 = 22075^2 + 1079^2 .

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 as a sum of consecutive naturals, namely, 122117465 + ... + 122117468.

Almost surely, 2^488469866 is an apocalyptic number.

488469866 is a deficient number, since it is larger than the sum of its proper divisors (244234936).

488469866 is a wasteful number, since it uses less digits than its factorization.

488469866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244234935.

The product of its digits is 15925248, while the sum is 59.

The square root of 488469866 is about 22101.3543928873. The cubic root of 488469866 is about 787.5520367395.

The spelling of 488469866 in words is "four hundred eighty-eight million, four hundred sixty-nine thousand, eight hundred sixty-six".