86673998789 has 16 divisors (see below), whose sum is σ = 105415250688. Its totient is φ = 69566929152.

The previous prime is 86673998783. The next prime is 86673998797. The reversal of 86673998789 is 98789937668.

It is not a de Polignac number, because 86673998789 - 2⁴ = 86673998773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86673998783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825169 + ... + 1872054.

It is an arithmetic number, because the mean of its divisors is an integer number (6588453168).

Almost surely, 2^86673998789 is an apocalyptic number.

It is an amenable number.

86673998789 is a deficient number, since it is larger than the sum of its proper divisors (18741251899).

86673998789 is a wasteful number, since it uses less digits than its factorization.

86673998789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697444.

The product of its digits is 1975228416, while the sum is 80.

The spelling of 86673998789 in words is "eighty-six billion, six hundred seventy-three million, nine hundred ninety-eight thousand, seven hundred eighty-nine".