28795907 has 8 divisors (see below), whose sum is σ = 33530976. Its totient is φ = 24216192.

The previous prime is 28795891. The next prime is 28795919. The reversal of 28795907 is 70959782.

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

It is not a de Polignac number, because 28795907 - 2⁴ = 28795891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28795957) 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, 38438 + ... + 39179.

It is an arithmetic number, because the mean of its divisors is an integer number (4191372).

Almost surely, 2^28795907 is an apocalyptic number.

28795907 is a deficient number, since it is larger than the sum of its proper divisors (4735069).

28795907 is an equidigital number, since it uses as much as digits as its factorization.

28795907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77677.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 28795907 is about 5366.1817896899. The cubic root of 28795907 is about 306.5092514153.

The spelling of 28795907 in words is "twenty-eight million, seven hundred ninety-five thousand, nine hundred seven".