488405578085 has 4 divisors (see below), whose sum is σ = 586086693708. Its totient is φ = 390724462464.

The previous prime is 488405578061. The next prime is 488405578099. The reversal of 488405578085 is 580875504884.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106078535809 + 382327042276 = 325697^2 + 618326^2 .

It is a cyclic number.

It is not a de Polignac number, because 488405578085 - 2¹² = 488405573989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48840557804 + ... + 48840557813.

It is an arithmetic number, because the mean of its divisors is an integer number (146521673427).

Almost surely, 2^488405578085 is an apocalyptic number.

It is an amenable number.

488405578085 is a deficient number, since it is larger than the sum of its proper divisors (97681115623).

488405578085 is an equidigital number, since it uses as much as digits as its factorization.

488405578085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97681115622.

The product of its (nonzero) digits is 57344000, while the sum is 62.

The spelling of 488405578085 in words is "four hundred eighty-eight billion, four hundred five million, five hundred seventy-eight thousand, eighty-five".