505068278 has 48 divisors (see below), whose sum is σ = 921243120. Its totient is φ = 206141760.

The previous prime is 505068271. The next prime is 505068307. The reversal of 505068278 is 872860505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505068271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114233 + ... + 118571.

It is an arithmetic number, because the mean of its divisors is an integer number (19192565).

Almost surely, 2^505068278 is an apocalyptic number.

505068278 is a deficient number, since it is larger than the sum of its proper divisors (416174842).

505068278 is a wasteful number, since it uses less digits than its factorization.

505068278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 505068278 is about 22473.7241684595. The cubic root of 505068278 is about 796.3733118861.

The spelling of 505068278 in words is "five hundred five million, sixty-eight thousand, two hundred seventy-eight".