8777472469 has 2 divisors, whose sum is σ = 8777472470. Its totient is φ = 8777472468.

The previous prime is 8777472443. The next prime is 8777472493. The reversal of 8777472469 is 9642747778.

8777472469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7584668100 + 1192804369 = 87090^2 + 34537^2 .

It is a cyclic number.

It is not a de Polignac number, because 8777472469 - 2⁹ = 8777471957 is a prime.

It is a super-2 number, since 2×8777472469² (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 (8777472409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4388736234 + 4388736235.

It is an arithmetic number, because the mean of its divisors is an integer number (4388736235).

Almost surely, 2^8777472469 is an apocalyptic number.

It is an amenable number.

8777472469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8777472469 is an equidigital number, since it uses as much as digits as its factorization.

8777472469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33191424, while the sum is 61.

The square root of 8777472469 is about 93688.1661097067. The cubic root of 8777472469 is about 2062.7970040803.

The spelling of 8777472469 in words is "eight billion, seven hundred seventy-seven million, four hundred seventy-two thousand, four hundred sixty-nine".