488264778 has 48 divisors (see below), whose sum is σ = 1078642656. Its totient is φ = 159588000.

The previous prime is 488264731. The next prime is 488264783. The reversal of 488264778 is 877462884.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301900 + ... + 303512.

It is an arithmetic number, because the mean of its divisors is an integer number (22471722).

Almost surely, 2^488264778 is an apocalyptic number.

488264778 is an abundant number, since it is smaller than the sum of its proper divisors (590377878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488264778 is a wasteful number, since it uses less digits than its factorization.

488264778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1936 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The square root of 488264778 is about 22096.7141901234. The cubic root of 488264778 is about 787.4418012924.

The spelling of 488264778 in words is "four hundred eighty-eight million, two hundred sixty-four thousand, seven hundred seventy-eight".