85108855268 has 6 divisors (see below), whose sum is σ = 148940496726. Its totient is φ = 42554427632.

The previous prime is 85108855213. The next prime is 85108855313. The reversal of 85108855268 is 86255880158.

It can be written as a sum of positive squares in only one way, i.e., 47737006144 + 37371849124 = 218488^2 + 193318^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10638606905 + ... + 10638606912.

It is an arithmetic number, because the mean of its divisors is an integer number (24823416121).

Almost surely, 2^85108855268 is an apocalyptic number.

It is an amenable number.

85108855268 is a deficient number, since it is larger than the sum of its proper divisors (63831641458).

85108855268 is a wasteful number, since it uses less digits than its factorization.

85108855268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277213821 (or 21277213819 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 56.

The spelling of 85108855268 in words is "eighty-five billion, one hundred eight million, eight hundred fifty-five thousand, two hundred sixty-eight".