28826277 has 8 divisors (see below), whose sum is σ = 38490816. Its totient is φ = 19189632.

The previous prime is 28826267. The next prime is 28826351. The reversal of 28826277 is 77262882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28826277 - 2¹⁰ = 28825253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826207) 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, 4428 + ... + 8789.

It is an arithmetic number, because the mean of its divisors is an integer number (4811352).

Almost surely, 2^28826277 is an apocalyptic number.

It is an amenable number.

28826277 is a deficient number, since it is larger than the sum of its proper divisors (9664539).

28826277 is a wasteful number, since it uses less digits than its factorization.

28826277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947.

The product of its digits is 150528, while the sum is 42.

The square root of 28826277 is about 5369.0108027457. The cubic root of 28826277 is about 306.6169682906.

It can be divided in two parts, 288 and 26277, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 28826277 in words is "twenty-eight million, eight hundred twenty-six thousand, two hundred seventy-seven".