85043254672 has 10 divisors (see below), whose sum is σ = 164771305958. Its totient is φ = 42521627328.

The previous prime is 85043254669. The next prime is 85043254693. The reversal of 85043254672 is 27645234058.

It can be written as a sum of positive squares in only one way, i.e., 62162456976 + 22880797696 = 249324^2 + 151264^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2657601693 + ... + 2657601724.

Almost surely, 2^85043254672 is an apocalyptic number.

It is an amenable number.

85043254672 is a deficient number, since it is larger than the sum of its proper divisors (79728051286).

85043254672 is a wasteful number, since it uses less digits than its factorization.

85043254672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315203425 (or 5315203419 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 85043254672 in words is "eighty-five billion, forty-three million, two hundred fifty-four thousand, six hundred seventy-two".