28877206 has 4 divisors (see below), whose sum is σ = 43315812. Its totient is φ = 14438602.

The previous prime is 28877179. The next prime is 28877231. The reversal of 28877206 is 60277882.

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, 7219300 + ... + 7219303.

It is an arithmetic number, because the mean of its divisors is an integer number (10828953).

Almost surely, 2^28877206 is an apocalyptic number.

28877206 is a deficient number, since it is larger than the sum of its proper divisors (14438606).

28877206 is a wasteful number, since it uses less digits than its factorization.

28877206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438605.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 28877206 is about 5373.7515759477. The cubic root of 28877206 is about 306.7974345161.

The spelling of 28877206 in words is "twenty-eight million, eight hundred seventy-seven thousand, two hundred six".