86171372267 has 16 divisors (see below), whose sum is σ = 94997919744. Its totient is φ = 77827200000.

The previous prime is 86171372251. The next prime is 86171372279. The reversal of 86171372267 is 76227317168.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86171372267 - 2⁴ = 86171372251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86171372237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970859 + ... + 1055892.

It is an arithmetic number, because the mean of its divisors is an integer number (5937369984).

Almost surely, 2^86171372267 is an apocalyptic number.

86171372267 is a deficient number, since it is larger than the sum of its proper divisors (8826547477).

86171372267 is a wasteful number, since it uses less digits than its factorization.

86171372267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026870.

The product of its digits is 1185408, while the sum is 50.

The spelling of 86171372267 in words is "eighty-six billion, one hundred seventy-one million, three hundred seventy-two thousand, two hundred sixty-seven".