8246005561 has 4 divisors (see below), whose sum is σ = 8255561472. Its totient is φ = 8236449652.

The previous prime is 8246005541. The next prime is 8246005589. The reversal of 8246005561 is 1655006428.

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 8246005561 - 2²⁵ = 8212451129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8246005561.

It is not an unprimeable number, because it can be changed into a prime (8246005501) 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, 4776661 + ... + 4778386.

It is an arithmetic number, because the mean of its divisors is an integer number (2063890368).

Almost surely, 2^8246005561 is an apocalyptic number.

It is an amenable number.

8246005561 is a deficient number, since it is larger than the sum of its proper divisors (9555911).

8246005561 is an equidigital number, since it uses as much as digits as its factorization.

8246005561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555910.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 8246005561 is about 90807.5192976881. The cubic root of 8246005561 is about 2020.2938468221.

The spelling of 8246005561 in words is "eight billion, two hundred forty-six million, five thousand, five hundred sixty-one".