86824066819 has 24 divisors (see below), whose sum is σ = 104339862528. Its totient is φ = 71963050320.

The previous prime is 86824066817. The next prime is 86824066843. The reversal of 86824066819 is 91866042868.

It is not a de Polignac number, because 86824066819 - 2¹ = 86824066817 is a prime.

It is a super-2 number, since 2×86824066819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86824066811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1957324 + ... + 2001190.

It is an arithmetic number, because the mean of its divisors is an integer number (4347494272).

Almost surely, 2^86824066819 is an apocalyptic number.

86824066819 is a deficient number, since it is larger than the sum of its proper divisors (17515795709).

86824066819 is a wasteful number, since it uses less digits than its factorization.

86824066819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45215 (or 45208 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 86824066819 in words is "eighty-six billion, eight hundred twenty-four million, sixty-six thousand, eight hundred nineteen".