698761967 has 2 divisors, whose sum is σ = 698761968. Its totient is φ = 698761966.

The previous prime is 698761963. The next prime is 698761969. The reversal of 698761967 is 769167896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698761967 - 2² = 698761963 is a prime.

Together with 698761969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698761963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349380983 + 349380984.

It is an arithmetic number, because the mean of its divisors is an integer number (349380984).

Almost surely, 2^698761967 is an apocalyptic number.

698761967 is a deficient number, since it is larger than the sum of its proper divisors (1).

698761967 is an equidigital number, since it uses as much as digits as its factorization.

698761967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The square root of 698761967 is about 26434.1061320409. The cubic root of 698761967 is about 887.3802383395.

The spelling of 698761967 in words is "six hundred ninety-eight million, seven hundred sixty-one thousand, nine hundred sixty-seven".