805348990117 has 8 divisors (see below), whose sum is σ = 921533746112. Its totient is φ = 689447959200.

The previous prime is 805348990087. The next prime is 805348990129. The reversal of 805348990117 is 711099843508.

It is a happy number.

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

It is not a de Polignac number, because 805348990117 - 2⁷ = 805348989989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805348990517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70925184 + ... + 70936537.

It is an arithmetic number, because the mean of its divisors is an integer number (115191718264).

Almost surely, 2^805348990117 is an apocalyptic number.

It is an amenable number.

805348990117 is a deficient number, since it is larger than the sum of its proper divisors (116184755995).

805348990117 is a wasteful number, since it uses less digits than its factorization.

805348990117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141862539.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 805348990117 in words is "eight hundred five billion, three hundred forty-eight million, nine hundred ninety thousand, one hundred seventeen".