86828394843 has 24 divisors (see below), whose sum is σ = 125717434128. Its totient is φ = 57747904512.

The previous prime is 86828394811. The next prime is 86828394859. The reversal of 86828394843 is 34849382868.

It is not a de Polignac number, because 86828394843 - 2⁵ = 86828394811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86828394803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9052096 + ... + 9061682.

It is an arithmetic number, because the mean of its divisors is an integer number (5238226422).

Almost surely, 2^86828394843 is an apocalyptic number.

86828394843 is a deficient number, since it is larger than the sum of its proper divisors (38889039285).

86828394843 is a wasteful number, since it uses less digits than its factorization.

86828394843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883 (or 11880 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 63.

It can be divided in two parts, 86828 and 394843, that added together give a triangular number (481671 = T₉₈₁).

The spelling of 86828394843 in words is "eighty-six billion, eight hundred twenty-eight million, three hundred ninety-four thousand, eight hundred forty-three".