769000005 has 12 divisors (see below), whose sum is σ = 1332933420. Its totient is φ = 410133312.

The previous prime is 768999967. The next prime is 769000007. The reversal of 769000005 is 500000967.

It can be written as a sum of positive squares in 2 ways, for example, as 233447841 + 535552164 = 15279^2 + 23142^2 .

It is not a de Polignac number, because 769000005 - 2¹⁰ = 768998981 is a prime.

It is a super-2 number, since 2×769000005² = 1182722015380000050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769000007) 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 11 ways as a sum of consecutive naturals, for example, 8544400 + ... + 8544489.

It is an arithmetic number, because the mean of its divisors is an integer number (111077785).

Almost surely, 2^769000005 is an apocalyptic number.

It is an amenable number.

769000005 is a deficient number, since it is larger than the sum of its proper divisors (563933415).

769000005 is a wasteful number, since it uses less digits than its factorization.

769000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088900 (or 17088897 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 769000005 is about 27730.8493378764. The cubic root of 769000005 is about 916.1686938630.

The spelling of 769000005 in words is "seven hundred sixty-nine million, five", and thus it is an aban number.