86542723887830 has 128 divisors (see below), whose sum is σ = 188762322862080. Its totient is φ = 27888020029440.

The previous prime is 86542723887727. The next prime is 86542723887839. The reversal of 86542723887830 is 3878832724568.

It is a super-3 number, since 3×86542723887830³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86542723887839) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2896424831 + ... + 2896454709.

It is an arithmetic number, because the mean of its divisors is an integer number (1474705647360).

Almost surely, 2^{86542723887830} is an apocalyptic number.

86542723887830 is an abundant number, since it is smaller than the sum of its proper divisors (102219598974250).

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

86542723887830 is a wasteful number, since it uses less digits than its factorization.

86542723887830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174.

The product of its (nonzero) digits is 867041280, while the sum is 71.

The spelling of 86542723887830 in words is "eighty-six trillion, five hundred forty-two billion, seven hundred twenty-three million, eight hundred eighty-seven thousand, eight hundred thirty".