86184851851 has 4 divisors (see below), whose sum is σ = 98496973552. Its totient is φ = 73872730152.

The previous prime is 86184851849. The next prime is 86184851861. The reversal of 86184851851 is 15815848168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86184851851 - 2¹ = 86184851849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86184851792 and 86184851801.

It is not an unprimeable number, because it can be changed into a prime (86184851861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6156060840 + ... + 6156060853.

It is an arithmetic number, because the mean of its divisors is an integer number (24624243388).

Almost surely, 2^86184851851 is an apocalyptic number.

86184851851 is a deficient number, since it is larger than the sum of its proper divisors (12312121701).

86184851851 is a wasteful number, since it uses less digits than its factorization.

86184851851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12312121700.

The product of its digits is 2457600, while the sum is 55.

The spelling of 86184851851 in words is "eighty-six billion, one hundred eighty-four million, eight hundred fifty-one thousand, eight hundred fifty-one".