86542157666229 has 16 divisors (see below), whose sum is σ = 124247963154240. Its totient is φ = 53380606388480.

The previous prime is 86542157666227. The next prime is 86542157666233. The reversal of 86542157666229 is 92266675124568.

It is a cyclic number.

It is not a de Polignac number, because 86542157666229 - 2¹ = 86542157666227 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14380548282 + ... + 14380554299.

It is an arithmetic number, because the mean of its divisors is an integer number (7765497697140).

Almost surely, 2^{86542157666229} is an apocalyptic number.

It is an amenable number.

86542157666229 is a deficient number, since it is larger than the sum of its proper divisors (37705805488011).

86542157666229 is a wasteful number, since it uses less digits than its factorization.

86542157666229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28761102660.

The product of its digits is 522547200, while the sum is 69.

The spelling of 86542157666229 in words is "eighty-six trillion, five hundred forty-two billion, one hundred fifty-seven million, six hundred sixty-six thousand, two hundred twenty-nine".