86140673 has 2 divisors, whose sum is σ = 86140674. Its totient is φ = 86140672.

The previous prime is 86140669. The next prime is 86140709. The reversal of 86140673 is 37604168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71791729 + 14348944 = 8473^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 86140673 - 2² = 86140669 is a prime.

It is not a weakly prime, because it can be changed into another prime (86140603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43070336 + 43070337.

It is an arithmetic number, because the mean of its divisors is an integer number (43070337).

Almost surely, 2^86140673 is an apocalyptic number.

It is an amenable number.

86140673 is a deficient number, since it is larger than the sum of its proper divisors (1).

86140673 is an equidigital number, since it uses as much as digits as its factorization.

86140673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 86140673 is about 9281.1999762962. The cubic root of 86140673 is about 441.6410361931.

The spelling of 86140673 in words is "eighty-six million, one hundred forty thousand, six hundred seventy-three".