505874775 has 36 divisors (see below), whose sum is σ = 972938472. Its totient is φ = 231255360.

The previous prime is 505874741. The next prime is 505874783. The reversal of 505874775 is 577478505.

It is a happy number.

It is not a de Polignac number, because 505874775 - 2¹⁸ = 505612631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65152 + ... + 72501.

Almost surely, 2^505874775 is an apocalyptic number.

505874775 is a deficient number, since it is larger than the sum of its proper divisors (467063697).

505874775 is a wasteful number, since it uses less digits than its factorization.

505874775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137680 (or 137668 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

The square root of 505874775 is about 22491.6601210315. The cubic root of 505874775 is about 796.7969715217.

The spelling of 505874775 in words is "five hundred five million, eight hundred seventy-four thousand, seven hundred seventy-five".