505764853 has 8 divisors (see below), whose sum is σ = 554176800. Its totient is φ = 457758480.

The previous prime is 505764829. The next prime is 505764863. The reversal of 505764853 is 358467505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505764853 - 2⁵ = 505764821 is a prime.

It is a super-2 number, since 2×505764853² = 511596173060223218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505764863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98778 + ... + 103771.

It is an arithmetic number, because the mean of its divisors is an integer number (69272100).

Almost surely, 2^505764853 is an apocalyptic number.

It is an amenable number.

505764853 is a deficient number, since it is larger than the sum of its proper divisors (48411947).

505764853 is a wasteful number, since it uses less digits than its factorization.

505764853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202787.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 505764853 is about 22489.2163714079. The cubic root of 505764853 is about 796.7392550896.

The spelling of 505764853 in words is "five hundred five million, seven hundred sixty-four thousand, eight hundred fifty-three".