677098693 has 2 divisors, whose sum is σ = 677098694. Its totient is φ = 677098692.

The previous prime is 677098673. The next prime is 677098753. The reversal of 677098693 is 396890776.

677098693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665278849 + 11819844 = 25793^2 + 3438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677098693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677098613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338549346 + 338549347.

It is an arithmetic number, because the mean of its divisors is an integer number (338549347).

Almost surely, 2^677098693 is an apocalyptic number.

It is an amenable number.

677098693 is a deficient number, since it is larger than the sum of its proper divisors (1).

677098693 is an equidigital number, since it uses as much as digits as its factorization.

677098693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 677098693 is about 26021.1201334608. The cubic root of 677098693 is about 878.1135091061.

The spelling of 677098693 in words is "six hundred seventy-seven million, ninety-eight thousand, six hundred ninety-three".