86890609868 has 12 divisors (see below), whose sum is σ = 153564098352. Its totient is φ = 43015153200.

The previous prime is 86890609837. The next prime is 86890609873.

86890609868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86890609798 and 86890609807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107537480 + ... + 107538287.

It is an arithmetic number, because the mean of its divisors is an integer number (12797008196).

Almost surely, 2^86890609868 is an apocalyptic number.

It is an amenable number.

86890609868 is a deficient number, since it is larger than the sum of its proper divisors (66673488484).

86890609868 is a wasteful number, since it uses less digits than its factorization.

86890609868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215075872 (or 215075870 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 86890609868 in words is "eighty-six billion, eight hundred ninety million, six hundred nine thousand, eight hundred sixty-eight".