505881069 has 8 divisors (see below), whose sum is σ = 688859520. Its totient is φ = 330078336.

The previous prime is 505881041. The next prime is 505881071. The reversal of 505881069 is 960188505.

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

It is not a de Polignac number, because 505881069 - 2⁷ = 505880941 is a prime.

It is a super-2 number, since 2×505881069² = 511831311945165522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505881069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505881169) 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, 1793764 + ... + 1794045.

It is an arithmetic number, because the mean of its divisors is an integer number (86107440).

Almost surely, 2^505881069 is an apocalyptic number.

It is an amenable number.

505881069 is a deficient number, since it is larger than the sum of its proper divisors (182978451).

505881069 is a wasteful number, since it uses less digits than its factorization.

505881069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587859.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 505881069 is about 22491.8000391254. The cubic root of 505881069 is about 796.8002760413.

The spelling of 505881069 in words is "five hundred five million, eight hundred eighty-one thousand, sixty-nine".