86197087867 has 18 divisors (see below), whose sum is σ = 94948212156. Its totient is φ = 78193712520.

The previous prime is 86197087859. The next prime is 86197087891. The reversal of 86197087867 is 76878079168.

It is not a de Polignac number, because 86197087867 - 2³ = 86197087859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86197087267) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50026468 + ... + 50028190.

Almost surely, 2^86197087867 is an apocalyptic number.

86197087867 is a deficient number, since it is larger than the sum of its proper divisors (8751124289).

86197087867 is an equidigital number, since it uses as much as digits as its factorization.

86197087867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 67.

The spelling of 86197087867 in words is "eighty-six billion, one hundred ninety-seven million, eighty-seven thousand, eight hundred sixty-seven".