698277223 has 4 divisors (see below), whose sum is σ = 798031120. Its totient is φ = 598523328.

The previous prime is 698277211. The next prime is 698277233. The reversal of 698277223 is 322772896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698277223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698277233) 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, 49876938 + ... + 49876951.

It is an arithmetic number, because the mean of its divisors is an integer number (199507780).

Almost surely, 2^698277223 is an apocalyptic number.

698277223 is a deficient number, since it is larger than the sum of its proper divisors (99753897).

698277223 is an equidigital number, since it uses as much as digits as its factorization.

698277223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99753896.

The product of its digits is 508032, while the sum is 46.

The square root of 698277223 is about 26424.9356290607. The cubic root of 698277223 is about 887.1749935528.

The spelling of 698277223 in words is "six hundred ninety-eight million, two hundred seventy-seven thousand, two hundred twenty-three".