505078469 has 4 divisors (see below), whose sum is σ = 577232544. Its totient is φ = 432924396.

The previous prime is 505078447. The next prime is 505078481. The reversal of 505078469 is 964870505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505078469 - 2⁸ = 505078213 is a prime.

It is a super-2 number, since 2×505078469² = 510208519694767922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505078439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36077027 + ... + 36077040.

It is an arithmetic number, because the mean of its divisors is an integer number (144308136).

Almost surely, 2^505078469 is an apocalyptic number.

It is an amenable number.

505078469 is a deficient number, since it is larger than the sum of its proper divisors (72154075).

505078469 is an equidigital number, since it uses as much as digits as its factorization.

505078469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72154074.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 505078469 is about 22473.9508987628. The cubic root of 505078469 is about 796.3786681163.

The spelling of 505078469 in words is "five hundred five million, seventy-eight thousand, four hundred sixty-nine".