86140097 has 2 divisors, whose sum is σ = 86140098. Its totient is φ = 86140096.

The previous prime is 86140079. The next prime is 86140123. The reversal of 86140097 is 79004168.

Together with previous prime (86140079) 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., 86136961 + 3136 = 9281^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 86140097 - 2⁸ = 86139841 is a prime.

It is a super-2 number, since 2×86140097² = 14840232622338818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86140297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43070048 + 43070049.

It is an arithmetic number, because the mean of its divisors is an integer number (43070049).

Almost surely, 2^86140097 is an apocalyptic number.

It is an amenable number.

86140097 is a deficient number, since it is larger than the sum of its proper divisors (1).

86140097 is an equidigital number, since it uses as much as digits as its factorization.

86140097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 86140097 is about 9281.1689457740. The cubic root of 86140097 is about 441.6400518118.

The spelling of 86140097 in words is "eighty-six million, one hundred forty thousand, ninety-seven".