797697587 has 2 divisors, whose sum is σ = 797697588. Its totient is φ = 797697586.

The previous prime is 797697559. The next prime is 797697629. The reversal of 797697587 is 785796797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797697587 - 2⁸ = 797697331 is a prime.

It is not a weakly prime, because it can be changed into another prime (797690587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398848793 + 398848794.

It is an arithmetic number, because the mean of its divisors is an integer number (398848794).

Almost surely, 2^797697587 is an apocalyptic number.

797697587 is a deficient number, since it is larger than the sum of its proper divisors (1).

797697587 is an equidigital number, since it uses as much as digits as its factorization.

797697587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46675440, while the sum is 65.

The square root of 797697587 is about 28243.5406243622. The cubic root of 797697587 is about 927.4263397885.

The spelling of 797697587 in words is "seven hundred ninety-seven million, six hundred ninety-seven thousand, five hundred eighty-seven".