86105143240 has 32 divisors (see below), whose sum is σ = 202159903680. Its totient is φ = 32944576192.

The previous prime is 86105143199. The next prime is 86105143249. The reversal of 86105143240 is 4234150168.

It is a junction number, because it is equal to n+sod(n) for n = 86105143196 and 86105143205.

It is not an unprimeable number, because it can be changed into a prime (86105143249) 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, 46795354 + ... + 46797193.

It is an arithmetic number, because the mean of its divisors is an integer number (6317496990).

Almost surely, 2^86105143240 is an apocalyptic number.

It is an amenable number.

86105143240 is an abundant number, since it is smaller than the sum of its proper divisors (116054760440).

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

86105143240 is a wasteful number, since it uses less digits than its factorization.

86105143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93592581 (or 93592577 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 86105143240 in words is "eighty-six billion, one hundred five million, one hundred forty-three thousand, two hundred forty".