8885666413 has 4 divisors (see below), whose sum is σ = 9569179228. Its totient is φ = 8202153600.

The previous prime is 8885666389. The next prime is 8885666459. The reversal of 8885666413 is 3146665888.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2079086409 + 6806580004 = 45597^2 + 82502^2 .

It is a cyclic number.

It is not a de Polignac number, because 8885666413 - 2¹⁷ = 8885535341 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 (8885666113) 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, 341756388 + ... + 341756413.

It is an arithmetic number, because the mean of its divisors is an integer number (2392294807).

Almost surely, 2^8885666413 is an apocalyptic number.

It is an amenable number.

8885666413 is a deficient number, since it is larger than the sum of its proper divisors (683512815).

8885666413 is a wasteful number, since it uses less digits than its factorization.

8885666413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683512814.

The product of its digits is 6635520, while the sum is 55.

The square root of 8885666413 is about 94263.8128498948. The cubic root of 8885666413 is about 2071.2379825008.

The spelling of 8885666413 in words is "eight billion, eight hundred eighty-five million, six hundred sixty-six thousand, four hundred thirteen".