85538512 has 10 divisors (see below), whose sum is σ = 165730898. Its totient is φ = 42769248.

The previous prime is 85538507. The next prime is 85538533. The reversal of 85538512 is 21583558.

It can be written as a sum of positive squares in only one way, i.e., 72318016 + 13220496 = 8504^2 + 3636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2673063 + ... + 2673094.

Almost surely, 2^85538512 is an apocalyptic number.

It is an amenable number.

85538512 is a deficient number, since it is larger than the sum of its proper divisors (80192386).

85538512 is a wasteful number, since it uses less digits than its factorization.

85538512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346165 (or 5346159 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 85538512 is about 9248.7032604577. The cubic root of 85538512 is about 440.6095408757.

The spelling of 85538512 in words is "eighty-five million, five hundred thirty-eight thousand, five hundred twelve".