86012687 has 2 divisors, whose sum is σ = 86012688. Its totient is φ = 86012686.

The previous prime is 86012683. The next prime is 86012743. The reversal of 86012687 is 78621068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86012687 - 2² = 86012683 is a prime.

It is equal to p_4999151 and since 86012687 and 4999151 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86012687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86012683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43006343 + 43006344.

It is an arithmetic number, because the mean of its divisors is an integer number (43006344).

Almost surely, 2^86012687 is an apocalyptic number.

86012687 is a deficient number, since it is larger than the sum of its proper divisors (1).

86012687 is an equidigital number, since it uses as much as digits as its factorization.

86012687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86012687 is about 9274.3025074665. The cubic root of 86012687 is about 441.4222007897.

The spelling of 86012687 in words is "eighty-six million, twelve thousand, six hundred eighty-seven".