86388011 has 2 divisors, whose sum is σ = 86388012. Its totient is φ = 86388010.

The previous prime is 86387993. The next prime is 86388019. The reversal of 86388011 is 11088368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86388011 - 2⁶ = 86387947 is a prime.

It is a super-2 number, since 2×86388011² = 14925776889072242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86388019) 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, 43194005 + 43194006.

It is an arithmetic number, because the mean of its divisors is an integer number (43194006).

Almost surely, 2^86388011 is an apocalyptic number.

86388011 is a deficient number, since it is larger than the sum of its proper divisors (1).

86388011 is an equidigital number, since it uses as much as digits as its factorization.

86388011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 86388011 is about 9294.5151030056. The cubic root of 86388011 is about 442.0633308106.

The spelling of 86388011 in words is "eighty-six million, three hundred eighty-eight thousand, eleven".