86850386087 has 2 divisors, whose sum is σ = 86850386088. Its totient is φ = 86850386086.

The previous prime is 86850386039. The next prime is 86850386093. The reversal of 86850386087 is 78068305868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86850386087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86850386587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43425193043 + 43425193044.

It is an arithmetic number, because the mean of its divisors is an integer number (43425193044).

Almost surely, 2^86850386087 is an apocalyptic number.

86850386087 is a deficient number, since it is larger than the sum of its proper divisors (1).

86850386087 is an equidigital number, since it uses as much as digits as its factorization.

86850386087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 86850386087 in words is "eighty-six billion, eight hundred fifty million, three hundred eighty-six thousand, eighty-seven".