986508797 has 2 divisors, whose sum is σ = 986508798. Its totient is φ = 986508796.

The previous prime is 986508781. The next prime is 986508833. The reversal of 986508797 is 797805689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770007001 + 216501796 = 27749^2 + 14714^2 .

It is a cyclic number.

It is not a de Polignac number, because 986508797 - 2⁴ = 986508781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986508727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493254398 + 493254399.

It is an arithmetic number, because the mean of its divisors is an integer number (493254399).

Almost surely, 2^986508797 is an apocalyptic number.

It is an amenable number.

986508797 is a deficient number, since it is larger than the sum of its proper divisors (1).

986508797 is an equidigital number, since it uses as much as digits as its factorization.

986508797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 986508797 is about 31408.7375900401. The cubic root of 986508797 is about 995.4825557605.

The spelling of 986508797 in words is "nine hundred eighty-six million, five hundred eight thousand, seven hundred ninety-seven".