505695785798 has 8 divisors (see below), whose sum is σ = 866907061392. Its totient is φ = 216726765336.

The previous prime is 505695785797. The next prime is 505695785801. The reversal of 505695785798 is 897587596505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505695785797) 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, 18060563765 + ... + 18060563792.

It is an arithmetic number, because the mean of its divisors is an integer number (108363382674).

Almost surely, 2^505695785798 is an apocalyptic number.

505695785798 is a deficient number, since it is larger than the sum of its proper divisors (361211275594).

505695785798 is a wasteful number, since it uses less digits than its factorization.

505695785798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36121127566.

The product of its (nonzero) digits is 952560000, while the sum is 74.

The spelling of 505695785798 in words is "five hundred five billion, six hundred ninety-five million, seven hundred eighty-five thousand, seven hundred ninety-eight".