28760207 has 16 divisors (see below), whose sum is σ = 33792000. Its totient is φ = 24466680.

The previous prime is 28760203. The next prime is 28760213. The reversal of 28760207 is 70206782.

It is not a de Polignac number, because 28760207 - 2² = 28760203 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 (28760201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65294 + ... + 65732.

It is an arithmetic number, because the mean of its divisors is an integer number (2112000).

Almost surely, 2^28760207 is an apocalyptic number.

28760207 is a deficient number, since it is larger than the sum of its proper divisors (5031793).

28760207 is an equidigital number, since it uses as much as digits as its factorization.

28760207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 28760207 is about 5362.8543705754. The cubic root of 28760207 is about 306.3825331127.

Adding to 28760207 its reverse (70206782), we get a palindrome (98966989).

The spelling of 28760207 in words is "twenty-eight million, seven hundred sixty thousand, two hundred seven".