8157028 has 24 divisors (see below), whose sum is σ = 15755040. Its totient is φ = 3664320.

The previous prime is 8157013. The next prime is 8157029. The reversal of 8157028 is 8207518.

It is not an unprimeable number, because it can be changed into a prime (8157029) 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, 2875 + ... + 4957.

It is an arithmetic number, because the mean of its divisors is an integer number (656460).

Almost surely, 2^8157028 is an apocalyptic number.

It is an amenable number.

8157028 is a deficient number, since it is larger than the sum of its proper divisors (7598012).

8157028 is a wasteful number, since it uses less digits than its factorization.

8157028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 8157028 is about 2856.0511199907. The cubic root of 8157028 is about 201.3000970920.

The spelling of 8157028 in words is "eight million, one hundred fifty-seven thousand, twenty-eight".