8557959 has 8 divisors (see below), whose sum is σ = 11461360. Its totient is φ = 5679936.

The previous prime is 8557937. The next prime is 8557981. The reversal of 8557959 is 9597558.

8557959 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8557937) and next prime (8557981).

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

It is not a de Polignac number, because 8557959 - 2⁹ = 8557447 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 (8557459) 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, 5542 + ... + 6915.

It is an arithmetic number, because the mean of its divisors is an integer number (1432670).

Almost surely, 2^8557959 is an apocalyptic number.

8557959 is a deficient number, since it is larger than the sum of its proper divisors (2903401).

8557959 is a wasteful number, since it uses less digits than its factorization.

8557959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689.

The product of its digits is 567000, while the sum is 48.

The square root of 8557959 is about 2925.3989471523. The cubic root of 8557959 is about 204.5455648574.

The spelling of 8557959 in words is "eight million, five hundred fifty-seven thousand, nine hundred fifty-nine".