28076086 has 4 divisors (see below), whose sum is σ = 42114132. Its totient is φ = 14038042.

The previous prime is 28076057. The next prime is 28076101. The reversal of 28076086 is 68067082.

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

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, 7019020 + ... + 7019023.

It is an arithmetic number, because the mean of its divisors is an integer number (10528533).

Almost surely, 2^28076086 is an apocalyptic number.

28076086 is a deficient number, since it is larger than the sum of its proper divisors (14038046).

28076086 is a wasteful number, since it uses less digits than its factorization.

28076086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14038045.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 28076086 is about 5298.6871959005. The cubic root of 28076086 is about 303.9336983178.

The spelling of 28076086 in words is "twenty-eight million, seventy-six thousand, eighty-six".