86117685 has 16 divisors (see below), whose sum is σ = 141513216. Its totient is φ = 44687808.

The previous prime is 86117683. The next prime is 86117687. The reversal of 86117685 is 58671168.

It is an interprime number because it is at equal distance from previous prime (86117683) and next prime (86117687).

It is not a de Polignac number, because 86117685 - 2¹ = 86117683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86117683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77029 + ... + 78138.

It is an arithmetic number, because the mean of its divisors is an integer number (8844576).

Almost surely, 2^86117685 is an apocalyptic number.

It is an amenable number.

86117685 is a deficient number, since it is larger than the sum of its proper divisors (55395531).

86117685 is a wasteful number, since it uses less digits than its factorization.

86117685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155212.

The product of its digits is 80640, while the sum is 42.

The square root of 86117685 is about 9279.9614762131. The cubic root of 86117685 is about 441.6017464011.

The spelling of 86117685 in words is "eighty-six million, one hundred seventeen thousand, six hundred eighty-five".