860669497 has 2 divisors, whose sum is σ = 860669498. Its totient is φ = 860669496.

The previous prime is 860669479. The next prime is 860669527. The reversal of 860669497 is 794966068.

860669497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (860669479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600299001 + 260370496 = 24501^2 + 16136^2 .

It is a cyclic number.

It is not a de Polignac number, because 860669497 - 2²³ = 852280889 is a prime.

It is not a weakly prime, because it can be changed into another prime (860663497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430334748 + 430334749.

It is an arithmetic number, because the mean of its divisors is an integer number (430334749).

Almost surely, 2^860669497 is an apocalyptic number.

It is an amenable number.

860669497 is a deficient number, since it is larger than the sum of its proper divisors (1).

860669497 is an equidigital number, since it uses as much as digits as its factorization.

860669497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 860669497 is about 29337.1692056340. The cubic root of 860669497 is about 951.2152488423.

The spelling of 860669497 in words is "eight hundred sixty million, six hundred sixty-nine thousand, four hundred ninety-seven".