86518282487871 has 32 divisors (see below), whose sum is σ = 125732253975552. Its totient is φ = 52598830227840.

The previous prime is 86518282487821. The next prime is 86518282487887. The reversal of 86518282487871 is 17878428281568.

It is not a de Polignac number, because 86518282487871 - 2⁶ = 86518282487807 is a prime.

It is a super-2 number, since 2×86518282487871² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86518282487793 and 86518282487802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86518282487801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102324586 + ... + 103166648.

It is an arithmetic number, because the mean of its divisors is an integer number (3929132936736).

Almost surely, 2^{86518282487871} is an apocalyptic number.

86518282487871 is a deficient number, since it is larger than the sum of its proper divisors (39213971487681).

86518282487871 is a wasteful number, since it uses less digits than its factorization.

86518282487871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873903.

The product of its digits is 770703360, while the sum is 75.

The spelling of 86518282487871 in words is "eighty-six trillion, five hundred eighteen billion, two hundred eighty-two million, four hundred eighty-seven thousand, eight hundred seventy-one".