28282707 has 12 divisors (see below), whose sum is σ = 41069184. Its totient is φ = 18755280.

The previous prime is 28282693. The next prime is 28282739. The reversal of 28282707 is 70728282.

It is not a de Polignac number, because 28282707 - 2¹⁵ = 28249939 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28282307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6508 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (3422432).

Almost surely, 2^28282707 is an apocalyptic number.

28282707 is a deficient number, since it is larger than the sum of its proper divisors (12786477).

28282707 is a wasteful number, since it uses less digits than its factorization.

28282707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650 (or 16647 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 28282707 is about 5318.1488320655. The cubic root of 28282707 is about 304.6774589038.

The spelling of 28282707 in words is "twenty-eight million, two hundred eighty-two thousand, seven hundred seven".