8813413661 has 8 divisors (see below), whose sum is σ = 9509593464. Its totient is φ = 8119837440.

The previous prime is 8813413639. The next prime is 8813413667. The reversal of 8813413661 is 1663143188.

It can be written as a sum of positive squares in 4 ways, for example, as 86304100 + 8727109561 = 9290^2 + 93419^2 .

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

It is not a de Polignac number, because 8813413661 - 2⁶ = 8813413597 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 (8813413667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643856 + ... + 657401.

It is an arithmetic number, because the mean of its divisors is an integer number (1188699183).

Almost surely, 2^8813413661 is an apocalyptic number.

It is an amenable number.

8813413661 is a deficient number, since it is larger than the sum of its proper divisors (696179803).

8813413661 is a wasteful number, since it uses less digits than its factorization.

8813413661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301791.

The product of its digits is 82944, while the sum is 41.

The square root of 8813413661 is about 93879.7830259529. The cubic root of 8813413661 is about 2065.6086874344.

The spelling of 8813413661 in words is "eight billion, eight hundred thirteen million, four hundred thirteen thousand, six hundred sixty-one".