508998899805 has 16 divisors (see below), whose sum is σ = 888434443584. Its totient is φ = 246787345280.

The previous prime is 508998899789. The next prime is 508998899861.

508998899805 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 508998899805 - 2⁴ = 508998899789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542420744 + ... + 1542421073.

It is an arithmetic number, because the mean of its divisors is an integer number (55527152724).

Almost surely, 2^508998899805 is an apocalyptic number.

508998899805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

508998899805 is a deficient number, since it is larger than the sum of its proper divisors (379435543779).

508998899805 is a wasteful number, since it uses less digits than its factorization.

508998899805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084841836.

The product of its (nonzero) digits is 671846400, while the sum is 78.

The spelling of 508998899805 in words is "five hundred eight billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, eight hundred five".