85867708155652 has 12 divisors (see below), whose sum is σ = 150341117846220. Its totient is φ = 42913103056736.

The previous prime is 85867708155643. The next prime is 85867708155679. The reversal of 85867708155652 is 25655180776858.

It can be written as a sum of positive squares in 2 ways, for example, as 31252415628996 + 54615292526656 = 5590386^2 + 7390216^2 .

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, 5187745963 + ... + 5187762514.

It is an arithmetic number, because the mean of its divisors is an integer number (12528426487185).

Almost surely, 2^{85867708155652} is an apocalyptic number.

It is an amenable number.

85867708155652 is a deficient number, since it is larger than the sum of its proper divisors (64473409690568).

85867708155652 is a wasteful number, since it uses less digits than its factorization.

85867708155652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375510550 (or 10375510548 counting only the distinct ones).

The product of its (nonzero) digits is 1128960000, while the sum is 73.

The spelling of 85867708155652 in words is "eighty-five trillion, eight hundred sixty-seven billion, seven hundred eight million, one hundred fifty-five thousand, six hundred fifty-two".