6378098769 has 27 divisors (see below), whose sum is σ = 10719760233. Its totient is φ = 3643669512.

The previous prime is 6378098761. The next prime is 6378098801. The reversal of 6378098769 is 9678908736.

It is a happy number.

The square root of 6378098769 is 79863.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 6378098769 - 2³ = 6378098761 is a prime.

It is a super-2 number, since 2×6378098769² = 81360287814238630722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6378098761) 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 26 ways as a sum of consecutive naturals, for example, 1675222 + ... + 1679024.

Almost surely, 2^6378098769 is an apocalyptic number.

6378098769 is the 79863-rd square number.

6378098769 is the 39932-nd centered octagonal number.

It is an amenable number.

6378098769 is a deficient number, since it is larger than the sum of its proper divisors (4341661464).

6378098769 is an frugal number, since it uses more digits than its factorization.

6378098769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The cubic root of 6378098769 is about 1854.5152690975.

The spelling of 6378098769 in words is "six billion, three hundred seventy-eight million, ninety-eight thousand, seven hundred sixty-nine".