86495887 has 2 divisors, whose sum is σ = 86495888. Its totient is φ = 86495886.

The previous prime is 86495869. The next prime is 86495917. The reversal of 86495887 is 78859468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86495887 - 2¹⁵ = 86463119 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 (86495867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43247943 + 43247944.

It is an arithmetic number, because the mean of its divisors is an integer number (43247944).

Almost surely, 2^86495887 is an apocalyptic number.

86495887 is a deficient number, since it is larger than the sum of its proper divisors (1).

86495887 is an equidigital number, since it uses as much as digits as its factorization.

86495887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 55.

The square root of 86495887 is about 9300.3164999907. The cubic root of 86495887 is about 442.2472613782.

The spelling of 86495887 in words is "eighty-six million, four hundred ninety-five thousand, eight hundred eighty-seven".