86186531068 has 24 divisors (see below), whose sum is σ = 164561012784. Its totient is φ = 39170198400.

The previous prime is 86186531051. The next prime is 86186531077. The reversal of 86186531068 is 86013568168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188346 + ... + 455902.

It is an arithmetic number, because the mean of its divisors is an integer number (6856708866).

Almost surely, 2^86186531068 is an apocalyptic number.

It is an amenable number.

86186531068 is a deficient number, since it is larger than the sum of its proper divisors (78374481716).

86186531068 is a wasteful number, since it uses less digits than its factorization.

86186531068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274893 (or 274891 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 86186531068 in words is "eighty-six billion, one hundred eighty-six million, five hundred thirty-one thousand, sixty-eight".