86541657658328 has 32 divisors (see below), whose sum is σ = 166352261922000. Its totient is φ = 42182692016640.

The previous prime is 86541657658321. The next prime is 86541657658333. The reversal of 86541657658328 is 82385675614568.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86541657658321) 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, 101922638 + ... + 102768221.

Almost surely, 2^{86541657658328} is an apocalyptic number.

It is an amenable number.

86541657658328 is a deficient number, since it is larger than the sum of its proper divisors (79810604263672).

86541657658328 is a wasteful number, since it uses less digits than its factorization.

86541657658328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204692195 (or 204692191 counting only the distinct ones).

The product of its digits is 2322432000, while the sum is 74.

The spelling of 86541657658328 in words is "eighty-six trillion, five hundred forty-one billion, six hundred fifty-seven million, six hundred fifty-eight thousand, three hundred twenty-eight".