86132689 has 2 divisors, whose sum is σ = 86132690. Its totient is φ = 86132688.

The previous prime is 86132647. The next prime is 86132701. The reversal of 86132689 is 98623168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60326289 + 25806400 = 7767^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 86132689 - 2⁷ = 86132561 is a prime.

It is a super-2 number, since 2×86132689² = 14837680228741442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86132089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43066344 + 43066345.

It is an arithmetic number, because the mean of its divisors is an integer number (43066345).

Almost surely, 2^86132689 is an apocalyptic number.

It is an amenable number.

86132689 is a deficient number, since it is larger than the sum of its proper divisors (1).

86132689 is an equidigital number, since it uses as much as digits as its factorization.

86132689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 86132689 is about 9280.7698495330. The cubic root of 86132689 is about 441.6273911834.

The spelling of 86132689 in words is "eighty-six million, one hundred thirty-two thousand, six hundred eighty-nine".