505996718 has 8 divisors (see below), whose sum is σ = 768139848. Its totient is φ = 249950104.

The previous prime is 505996697. The next prime is 505996753. The reversal of 505996718 is 817699505.

It is a happy number.

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

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, 1523921 + ... + 1524252.

It is an arithmetic number, because the mean of its divisors is an integer number (96017481).

Almost surely, 2^505996718 is an apocalyptic number.

505996718 is a deficient number, since it is larger than the sum of its proper divisors (262143130).

505996718 is a wasteful number, since it uses less digits than its factorization.

505996718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048258.

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 505996718 is about 22494.3708069375. The cubic root of 505996718 is about 796.8609900046.

The spelling of 505996718 in words is "five hundred five million, nine hundred ninety-six thousand, seven hundred eighteen".