85156028 has 24 divisors (see below), whose sum is σ = 156401280. Its totient is φ = 40491440.

The previous prime is 85156021. The next prime is 85156031. The reversal of 85156028 is 82065158.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85156021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13883 + ... + 19053.

It is an arithmetic number, because the mean of its divisors is an integer number (6516720).

Almost surely, 2^85156028 is an apocalyptic number.

It is an amenable number.

85156028 is a deficient number, since it is larger than the sum of its proper divisors (71245252).

85156028 is a wasteful number, since it uses less digits than its factorization.

85156028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 85156028 is about 9228.0023840482. The cubic root of 85156028 is about 439.9518335704.

The spelling of 85156028 in words is "eighty-five million, one hundred fifty-six thousand, twenty-eight".