86132881 has 2 divisors, whose sum is σ = 86132882. Its totient is φ = 86132880.

The previous prime is 86132857. The next prime is 86132887. The reversal of 86132881 is 18823168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85100625 + 1032256 = 9225^2 + 1016^2 .

It is a cyclic number.

It is not a de Polignac number, because 86132881 - 2²¹ = 84035729 is a prime.

It is a super-2 number, since 2×86132881² = 14837746378720322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86132881.

It is not a weakly prime, because it can be changed into another prime (86132887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43066440 + 43066441.

It is an arithmetic number, because the mean of its divisors is an integer number (43066441).

Almost surely, 2^86132881 is an apocalyptic number.

It is an amenable number.

86132881 is a deficient number, since it is larger than the sum of its proper divisors (1).

86132881 is an equidigital number, since it uses as much as digits as its factorization.

86132881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 86132881 is about 9280.7801934967. The cubic root of 86132881 is about 441.6277193298.

The spelling of 86132881 in words is "eighty-six million, one hundred thirty-two thousand, eight hundred eighty-one".