86851075 has 12 divisors (see below), whose sum is σ = 108006480. Its totient is φ = 69280160.

The previous prime is 86851073. The next prime is 86851081. The reversal of 86851075 is 57015868.

It is not a de Polignac number, because 86851075 - 2¹ = 86851073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86851073) 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 in 11 ways as a sum of consecutive naturals, for example, 4137 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (9000540).

Almost surely, 2^86851075 is an apocalyptic number.

86851075 is a deficient number, since it is larger than the sum of its proper divisors (21155405).

86851075 is a wasteful number, since it uses less digits than its factorization.

86851075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046 (or 10041 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 86851075 is about 9319.3924158177. The cubic root of 86851075 is about 442.8517849062.

The spelling of 86851075 in words is "eighty-six million, eight hundred fifty-one thousand, seventy-five".