505078585875 has 48 divisors (see below), whose sum is σ = 931662567264. Its totient is φ = 263110680000.

The previous prime is 505078585871. The next prime is 505078585889. The reversal of 505078585875 is 578585870505.

505078585875 is a `hidden beast` number, since 5 + 0 + 507 + 8 + 5 + 8 + 58 + 75 = 666.

It is not a de Polignac number, because 505078585875 - 2² = 505078585871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505078585871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5172076 + ... + 5268825.

It is an arithmetic number, because the mean of its divisors is an integer number (19409636818).

Almost surely, 2^505078585875 is an apocalyptic number.

505078585875 is a deficient number, since it is larger than the sum of its proper divisors (426583981389).

505078585875 is a wasteful number, since it uses less digits than its factorization.

505078585875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440965 (or 10440952 counting only the distinct ones).

The product of its (nonzero) digits is 78400000, while the sum is 63.

The spelling of 505078585875 in words is "five hundred five billion, seventy-eight million, five hundred eighty-five thousand, eight hundred seventy-five".