85485408616 has 32 divisors (see below), whose sum is σ = 170317718280. Its totient is φ = 40085248000.

The previous prime is 85485408553. The next prime is 85485408623. The reversal of 85485408616 is 61680458458.

It can be written as a sum of positive squares in 4 ways, for example, as 67836286116 + 17649122500 = 260454^2 + 132850^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080235 + ... + 1156666.

Almost surely, 2^85485408616 is an apocalyptic number.

It is an amenable number.

85485408616 is a deficient number, since it is larger than the sum of its proper divisors (84832309664).

85485408616 is a wasteful number, since it uses less digits than its factorization.

85485408616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237205 (or 2237201 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 85485408616 in words is "eighty-five billion, four hundred eighty-five million, four hundred eight thousand, six hundred sixteen".