28679761 has 8 divisors (see below), whose sum is σ = 31420800. Its totient is φ = 25961040.

The previous prime is 28679747. The next prime is 28679771. The reversal of 28679761 is 16797682.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28679761 - 2⁹ = 28679249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28679701) 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, 2826 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (3927600).

Almost surely, 2^28679761 is an apocalyptic number.

It is an amenable number.

28679761 is a deficient number, since it is larger than the sum of its proper divisors (2741039).

28679761 is a wasteful number, since it uses less digits than its factorization.

28679761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159.

The product of its digits is 254016, while the sum is 46.

The square root of 28679761 is about 5355.3488215055. The cubic root of 28679761 is about 306.0966025612.

The spelling of 28679761 in words is "twenty-eight million, six hundred seventy-nine thousand, seven hundred sixty-one".