85128302 has 16 divisors (see below), whose sum is σ = 146171520. Its totient is φ = 36424248.

The previous prime is 85128289. The next prime is 85128343. The reversal of 85128302 is 20382158.

It is a congruent number.

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, 4613 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (9135720).

Almost surely, 2^85128302 is an apocalyptic number.

It is a pronic number, being equal to 9226×9227.

85128302 is a deficient number, since it is larger than the sum of its proper divisors (61043218).

85128302 is a wasteful number, since it uses less digits than its factorization.

85128302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 85128302 is about 9226.4999864521. The cubic root of 85128302 is about 439.9040803308.

The spelling of 85128302 in words is "eighty-five million, one hundred twenty-eight thousand, three hundred two".