86109827 has 2 divisors, whose sum is σ = 86109828. Its totient is φ = 86109826.

The previous prime is 86109823. The next prime is 86109833. The reversal of 86109827 is 72890168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86109827 - 2² = 86109823 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86109823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43054913 + 43054914.

It is an arithmetic number, because the mean of its divisors is an integer number (43054914).

Almost surely, 2^86109827 is an apocalyptic number.

86109827 is a deficient number, since it is larger than the sum of its proper divisors (1).

86109827 is an equidigital number, since it uses as much as digits as its factorization.

86109827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 86109827 is about 9279.5380811762. The cubic root of 86109827 is about 441.5883143475.

The spelling of 86109827 in words is "eighty-six million, one hundred nine thousand, eight hundred twenty-seven".