486978550 has 24 divisors (see below), whose sum is σ = 953454600. Its totient is φ = 184538880.

The previous prime is 486978529. The next prime is 486978559. The reversal of 486978550 is 55879684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486978559) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 255355 + ... + 257254.

It is an arithmetic number, because the mean of its divisors is an integer number (39727275).

Almost surely, 2^486978550 is an apocalyptic number.

486978550 is a deficient number, since it is larger than the sum of its proper divisors (466476050).

486978550 is a wasteful number, since it uses less digits than its factorization.

486978550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512640 (or 512635 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 486978550 is about 22067.5904892220. The cubic root of 486978550 is about 786.7497448488.

The spelling of 486978550 in words is "four hundred eighty-six million, nine hundred seventy-eight thousand, five hundred fifty".