86117807 has 2 divisors, whose sum is σ = 86117808. Its totient is φ = 86117806.

The previous prime is 86117803. The next prime is 86117839. The reversal of 86117807 is 70871168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86117807 - 2² = 86117803 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86117803) 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, 43058903 + 43058904.

It is an arithmetic number, because the mean of its divisors is an integer number (43058904).

Almost surely, 2^86117807 is an apocalyptic number.

86117807 is a deficient number, since it is larger than the sum of its proper divisors (1).

86117807 is an equidigital number, since it uses as much as digits as its factorization.

86117807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 86117807 is about 9279.9680495140. The cubic root of 86117807 is about 441.6019549351.

The spelling of 86117807 in words is "eighty-six million, one hundred seventeen thousand, eight hundred seven".