86171203877 has 8 divisors (see below), whose sum is σ = 94011133440. Its totient is φ = 78332304960.

The previous prime is 86171203849. The next prime is 86171203879. The reversal of 86171203877 is 77830217168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86171203877 - 2⁸ = 86171203621 is a prime.

It is a super-2 number, since 2×86171203877² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86171203879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77348 + ... + 422285.

It is an arithmetic number, because the mean of its divisors is an integer number (11751391680).

Almost surely, 2^86171203877 is an apocalyptic number.

It is an amenable number.

86171203877 is a deficient number, since it is larger than the sum of its proper divisors (7839929563).

86171203877 is a wasteful number, since it uses less digits than its factorization.

86171203877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515323.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 86171203877 in words is "eighty-six billion, one hundred seventy-one million, two hundred three thousand, eight hundred seventy-seven".