28375082 has 4 divisors (see below), whose sum is σ = 42562626. Its totient is φ = 14187540.

The previous prime is 28375073. The next prime is 28375093. The reversal of 28375082 is 28057382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26739241 + 1635841 = 5171^2 + 1279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7093769 + ... + 7093772.

Almost surely, 2^28375082 is an apocalyptic number.

28375082 is a deficient number, since it is larger than the sum of its proper divisors (14187544).

28375082 is a wasteful number, since it uses less digits than its factorization.

28375082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14187543.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 28375082 is about 5326.8266350614. The cubic root of 28375082 is about 305.0088038308.

The spelling of 28375082 in words is "twenty-eight million, three hundred seventy-five thousand, eighty-two".