86186227512 has 192 divisors, whose sum is σ = 271506412800. Its totient is φ = 22316659200.

The previous prime is 86186227511. The next prime is 86186227571. The reversal of 86186227512 is 21572268168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86186227511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6722164 + ... + 6734972.

It is an arithmetic number, because the mean of its divisors is an integer number (1414095900).

Almost surely, 2^86186227512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86186227512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135753206400).

86186227512 is an abundant number, since it is smaller than the sum of its proper divisors (185320185288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86186227512 is a wasteful number, since it uses less digits than its factorization.

86186227512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13178 (or 13163 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The spelling of 86186227512 in words is "eighty-six billion, one hundred eighty-six million, two hundred twenty-seven thousand, five hundred twelve".