8816779424 has 12 divisors (see below), whose sum is σ = 17358034554. Its totient is φ = 4408389696.

The previous prime is 8816779423. The next prime is 8816779463. The reversal of 8816779424 is 4249776188.

It can be written as a sum of positive squares in only one way, i.e., 6811531024 + 2005248400 = 82532^2 + 44780^2 .

It is a super-2 number, since 2×8816779424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8816779424.

It is not an unprimeable number, because it can be changed into a prime (8816779423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137762147 + ... + 137762210.

Almost surely, 2^8816779424 is an apocalyptic number.

It is an amenable number.

8816779424 is a deficient number, since it is larger than the sum of its proper divisors (8541255130).

8816779424 is a wasteful number, since it uses less digits than its factorization.

8816779424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275524367 (or 275524359 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 56.

The square root of 8816779424 is about 93897.7072350545. The cubic root of 8816779424 is about 2065.8715997305.

The spelling of 8816779424 in words is "eight billion, eight hundred sixteen million, seven hundred seventy-nine thousand, four hundred twenty-four".