698768671 has 2 divisors, whose sum is σ = 698768672. Its totient is φ = 698768670.

The previous prime is 698768641. The next prime is 698768711. The reversal of 698768671 is 176867896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698768671 - 2⁵ = 698768639 is a prime.

It is a super-2 number, since 2×698768671² = 976555311142212482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698768611) 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 as a sum of consecutive naturals, namely, 349384335 + 349384336.

It is an arithmetic number, because the mean of its divisors is an integer number (349384336).

Almost surely, 2^698768671 is an apocalyptic number.

698768671 is a deficient number, since it is larger than the sum of its proper divisors (1).

698768671 is an equidigital number, since it uses as much as digits as its factorization.

698768671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The square root of 698768671 is about 26434.2329376133. The cubic root of 698768671 is about 887.3830762053.

The spelling of 698768671 in words is "six hundred ninety-eight million, seven hundred sixty-eight thousand, six hundred seventy-one".