86542157666228 has 24 divisors (see below), whose sum is σ = 166678942449600. Its totient is φ = 38989226299520.

The previous prime is 86542157666227. The next prime is 86542157666233. The reversal of 86542157666228 is 82266675124568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86542157666227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8702947328 + ... + 8702957271.

It is an arithmetic number, because the mean of its divisors is an integer number (6944955935400).

Almost surely, 2^{86542157666228} is an apocalyptic number.

It is an amenable number.

86542157666228 is a deficient number, since it is larger than the sum of its proper divisors (80136784783372).

86542157666228 is a wasteful number, since it uses less digits than its factorization.

86542157666228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17405904727 (or 17405904725 counting only the distinct ones).

The product of its digits is 464486400, while the sum is 68.

The spelling of 86542157666228 in words is "eighty-six trillion, five hundred forty-two billion, one hundred fifty-seven million, six hundred sixty-six thousand, two hundred twenty-eight".