86161539247 has 8 divisors (see below), whose sum is σ = 99445285152. Its totient is φ = 73121532000.

The previous prime is 86161539203. The next prime is 86161539251. The reversal of 86161539247 is 74293516168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86161539247 - 2⁷ = 86161539119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86161539194 and 86161539203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86161533247) 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, 60933904 + ... + 60935317.

It is an arithmetic number, because the mean of its divisors is an integer number (12430660644).

Almost surely, 2^86161539247 is an apocalyptic number.

86161539247 is a deficient number, since it is larger than the sum of its proper divisors (13283745905).

86161539247 is a wasteful number, since it uses less digits than its factorization.

86161539247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121869329.

The product of its digits is 2177280, while the sum is 52.

Multiplying 86161539247 by its sum of digits (52), we get a palindrome (4480400040844).

The spelling of 86161539247 in words is "eighty-six billion, one hundred sixty-one million, five hundred thirty-nine thousand, two hundred forty-seven".