8219027769 has 8 divisors (see below), whose sum is σ = 11016079872. Its totient is φ = 5450663760.

The previous prime is 8219027749. The next prime is 8219027777. The reversal of 8219027769 is 9677209128.

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

It is not a de Polignac number, because 8219027769 - 2⁸ = 8219027513 is a prime.

It is a super-2 number, since 2×8219027769² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8219027749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7171354 + ... + 7172499.

It is an arithmetic number, because the mean of its divisors is an integer number (1377009984).

Almost surely, 2^8219027769 is an apocalyptic number.

It is an amenable number.

8219027769 is a deficient number, since it is larger than the sum of its proper divisors (2797052103).

8219027769 is a wasteful number, since it uses less digits than its factorization.

8219027769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344047.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 8219027769 is about 90658.8537816357. The cubic root of 8219027769 is about 2018.0882288895.

The spelling of 8219027769 in words is "eight billion, two hundred nineteen million, twenty-seven thousand, seven hundred sixty-nine".