8855564413 has 8 divisors (see below), whose sum is σ = 9027207000. Its totient is φ = 8684090688.

The previous prime is 8855564411. The next prime is 8855564429. The reversal of 8855564413 is 3144655588.

It can be written as a sum of positive squares in 4 ways, for example, as 5928538009 + 2927026404 = 76997^2 + 54102^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8855564413 - 2¹ = 8855564411 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 (8855564411) 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, 66363 + ... + 148711.

It is an arithmetic number, because the mean of its divisors is an integer number (1128400875).

Almost surely, 2^8855564413 is an apocalyptic number.

It is an amenable number.

8855564413 is a deficient number, since it is larger than the sum of its proper divisors (171642587).

8855564413 is a wasteful number, since it uses less digits than its factorization.

8855564413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84431.

The product of its digits is 2304000, while the sum is 49.

The square root of 8855564413 is about 94104.0084852925. The cubic root of 8855564413 is about 2068.8964231992.

The spelling of 8855564413 in words is "eight billion, eight hundred fifty-five million, five hundred sixty-four thousand, four hundred thirteen".