8557963 has 4 divisors (see below), whose sum is σ = 8719488. Its totient is φ = 8396440.

The previous prime is 8557937. The next prime is 8557981. The reversal of 8557963 is 3697558.

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 8557963 - 2⁵ = 8557931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8557933) 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, 80683 + ... + 80788.

It is an arithmetic number, because the mean of its divisors is an integer number (2179872).

Almost surely, 2^8557963 is an apocalyptic number.

8557963 is a deficient number, since it is larger than the sum of its proper divisors (161525).

8557963 is a wasteful number, since it uses less digits than its factorization.

8557963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161524.

The product of its digits is 226800, while the sum is 43.

The square root of 8557963 is about 2925.3996308197. The cubic root of 8557963 is about 204.5455967257.

The spelling of 8557963 in words is "eight million, five hundred fifty-seven thousand, nine hundred sixty-three".