28261079 has 8 divisors (see below), whose sum is σ = 35234688. Its totient is φ = 22021560.

The previous prime is 28261073. The next prime is 28261087. The reversal of 28261079 is 97016282.

It is a happy number.

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

It is not a de Polignac number, because 28261079 - 2²⁴ = 11483863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28261073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183437 + ... + 183590.

It is an arithmetic number, because the mean of its divisors is an integer number (4404336).

Almost surely, 2^28261079 is an apocalyptic number.

28261079 is a deficient number, since it is larger than the sum of its proper divisors (6973609).

28261079 is a wasteful number, since it uses less digits than its factorization.

28261079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367045.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28261079 is about 5316.1150288533. The cubic root of 28261079 is about 304.5997760463.

The spelling of 28261079 in words is "twenty-eight million, two hundred sixty-one thousand, seventy-nine".