8820488669 has 2 divisors, whose sum is σ = 8820488670. Its totient is φ = 8820488668.

The previous prime is 8820488647. The next prime is 8820488713. The reversal of 8820488669 is 9668840288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6974755225 + 1845733444 = 83515^2 + 42962^2 .

It is a cyclic number.

It is not a de Polignac number, because 8820488669 - 2¹² = 8820484573 is a prime.

It is a super-2 number, since 2×8820488669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8820485669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4410244334 + 4410244335.

It is an arithmetic number, because the mean of its divisors is an integer number (4410244335).

Almost surely, 2^8820488669 is an apocalyptic number.

It is an amenable number.

8820488669 is a deficient number, since it is larger than the sum of its proper divisors (1).

8820488669 is an equidigital number, since it uses as much as digits as its factorization.

8820488669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10616832, while the sum is 59.

The square root of 8820488669 is about 93917.4566787240. The cubic root of 8820488669 is about 2066.1612651965.

The spelling of 8820488669 in words is "eight billion, eight hundred twenty million, four hundred eighty-eight thousand, six hundred sixty-nine".