505774716 has 12 divisors (see below), whose sum is σ = 1180141032. Its totient is φ = 168591568.

The previous prime is 505774679. The next prime is 505774721. The reversal of 505774716 is 617477505.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21073935 + ... + 21073958.

It is an arithmetic number, because the mean of its divisors is an integer number (98345086).

Almost surely, 2^505774716 is an apocalyptic number.

It is an amenable number.

505774716 is an abundant number, since it is smaller than the sum of its proper divisors (674366316).

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

505774716 is a wasteful number, since it uses less digits than its factorization.

505774716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42147900 (or 42147898 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 505774716 is about 22489.4356532128. The cubic root of 505774716 is about 796.7444341685.

The spelling of 505774716 in words is "five hundred five million, seven hundred seventy-four thousand, seven hundred sixteen".