883955561 has 4 divisors (see below), whose sum is σ = 894605712. Its totient is φ = 873305412.

The previous prime is 883955557. The next prime is 883955591. The reversal of 883955561 is 165559388.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 883955561 - 2² = 883955557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (883955591) 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, 5324951 + ... + 5325116.

It is an arithmetic number, because the mean of its divisors is an integer number (223651428).

Almost surely, 2^883955561 is an apocalyptic number.

It is an amenable number.

883955561 is a deficient number, since it is larger than the sum of its proper divisors (10650151).

883955561 is a wasteful number, since it uses less digits than its factorization.

883955561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650150.

The product of its digits is 1296000, while the sum is 50.

The square root of 883955561 is about 29731.3901625874. The cubic root of 883955561 is about 959.7176401217.

The spelling of 883955561 in words is "eight hundred eighty-three million, nine hundred fifty-five thousand, five hundred sixty-one".