798941669 has 4 divisors (see below), whose sum is σ = 799200780. Its totient is φ = 798682560.

The previous prime is 798941657. The next prime is 798941687. The reversal of 798941669 is 966149897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966149897 = 157 ⋅6153821.

It can be written as a sum of positive squares in 2 ways, for example, as 98704225 + 700237444 = 9935^2 + 26462^2 .

It is a cyclic number.

It is not a de Polignac number, because 798941669 - 2²⁸ = 530506213 is a prime.

It is a super-2 number, since 2×798941669² = 1276615580929011122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798941609) 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, 124874 + ... + 131115.

It is an arithmetic number, because the mean of its divisors is an integer number (199800195).

Almost surely, 2^798941669 is an apocalyptic number.

It is an amenable number.

798941669 is a deficient number, since it is larger than the sum of its proper divisors (259111).

798941669 is a wasteful number, since it uses less digits than its factorization.

798941669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259110.

The product of its digits is 5878656, while the sum is 59.

The square root of 798941669 is about 28265.5562301540. The cubic root of 798941669 is about 927.9082246272.

The spelling of 798941669 in words is "seven hundred ninety-eight million, nine hundred forty-one thousand, six hundred sixty-nine".