504005084778 has 32 divisors (see below), whose sum is σ = 1122982156800. Its totient is φ = 149730952896.

The previous prime is 504005084731. The next prime is 504005084797. The reversal of 504005084778 is 877480500405.

It is a super-2 number, since 2×504005084778² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111404698 + ... + 111409221.

It is an arithmetic number, because the mean of its divisors is an integer number (35093192400).

Almost surely, 2^504005084778 is an apocalyptic number.

504005084778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

504005084778 is an abundant number, since it is smaller than the sum of its proper divisors (618977072022).

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

504005084778 is a wasteful number, since it uses less digits than its factorization.

504005084778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222813966.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 504005084778 in words is "five hundred four billion, five million, eighty-four thousand, seven hundred seventy-eight".