85867708164464 has 20 divisors (see below), whose sum is σ = 166893506927304. Its totient is φ = 42798416054208.

The previous prime is 85867708164419. The next prime is 85867708164479. The reversal of 85867708164464 is 46446180776858.

It is a junction number, because it is equal to n+sod(n) for n = 85867708164391 and 85867708164400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8464871522 + ... + 8464881665.

Almost surely, 2^{85867708164464} is an apocalyptic number.

It is an amenable number.

85867708164464 is a deficient number, since it is larger than the sum of its proper divisors (81025798762840).

85867708164464 is a wasteful number, since it uses less digits than its factorization.

85867708164464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16929753512 (or 16929753506 counting only the distinct ones).

The product of its (nonzero) digits is 1734082560, while the sum is 74.

The spelling of 85867708164464 in words is "eighty-five trillion, eight hundred sixty-seven billion, seven hundred eight million, one hundred sixty-four thousand, four hundred sixty-four".