28559157 has 16 divisors (see below), whose sum is σ = 41850432. Its totient is φ = 17179520.

The previous prime is 28559143. The next prime is 28559183. The reversal of 28559157 is 75195582.

It is a cyclic number.

It is not a de Polignac number, because 28559157 - 2¹⁰ = 28558133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28559137) 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, 1363 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (2615652).

Almost surely, 2^28559157 is an apocalyptic number.

It is an amenable number.

28559157 is a deficient number, since it is larger than the sum of its proper divisors (13291275).

28559157 is a wasteful number, since it uses less digits than its factorization.

28559157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468.

The product of its digits is 126000, while the sum is 42.

The square root of 28559157 is about 5344.0768145677. The cubic root of 28559157 is about 305.6669343725. Note that the first 3 decimals are identical.

The spelling of 28559157 in words is "twenty-eight million, five hundred fifty-nine thousand, one hundred fifty-seven".