798851699 has 4 divisors (see below), whose sum is σ = 799052664. Its totient is φ = 798650736.

The previous prime is 798851689. The next prime is 798851701. The reversal of 798851699 is 996158897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996158897 = 71 ⋅14030407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798851699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798851689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94397 + ... + 102510.

It is an arithmetic number, because the mean of its divisors is an integer number (199763166).

Almost surely, 2^798851699 is an apocalyptic number.

798851699 is a deficient number, since it is larger than the sum of its proper divisors (200965).

798851699 is a wasteful number, since it uses less digits than its factorization.

798851699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200964.

The product of its digits is 9797760, while the sum is 62.

The square root of 798851699 is about 28263.9646723527. The cubic root of 798851699 is about 927.8733922816.

The spelling of 798851699 in words is "seven hundred ninety-eight million, eight hundred fifty-one thousand, six hundred ninety-nine".