798416681 has 4 divisors (see below), whose sum is σ = 799297872. Its totient is φ = 797535492.

The previous prime is 798416669. The next prime is 798416699. The reversal of 798416681 is 186614897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798416681 is a prime.

It is a super-2 number, since 2×798416681² = 1274938392998111522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (798416881) 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 3 ways as a sum of consecutive naturals, for example, 439235 + ... + 441048.

It is an arithmetic number, because the mean of its divisors is an integer number (199824468).

Almost surely, 2^798416681 is an apocalyptic number.

It is an amenable number.

798416681 is a deficient number, since it is larger than the sum of its proper divisors (881191).

798416681 is an equidigital number, since it uses as much as digits as its factorization.

798416681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881190.

The product of its digits is 580608, while the sum is 50.

The square root of 798416681 is about 28256.2679949069. The cubic root of 798416681 is about 927.7049359343.

The spelling of 798416681 in words is "seven hundred ninety-eight million, four hundred sixteen thousand, six hundred eighty-one".