28700959 has 4 divisors (see below), whose sum is σ = 32801104. Its totient is φ = 24600816.

The previous prime is 28700957. The next prime is 28700977. The reversal of 28700959 is 95900782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28700959 - 2¹ = 28700957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28700953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050062 + ... + 2050075.

It is an arithmetic number, because the mean of its divisors is an integer number (8200276).

Almost surely, 2^28700959 is an apocalyptic number.

28700959 is a deficient number, since it is larger than the sum of its proper divisors (4100145).

28700959 is an equidigital number, since it uses as much as digits as its factorization.

28700959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100144.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 28700959 is about 5357.3275987193. The cubic root of 28700959 is about 306.1719987938.

The spelling of 28700959 in words is "twenty-eight million, seven hundred thousand, nine hundred fifty-nine".